diff --git a/smoketest/scripts/cli/test_vpn_ipsec.py b/smoketest/scripts/cli/test_vpn_ipsec.py
index 01b0406bf..17b1b395c 100755
--- a/smoketest/scripts/cli/test_vpn_ipsec.py
+++ b/smoketest/scripts/cli/test_vpn_ipsec.py
@@ -1,549 +1,541 @@
#!/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 = """
-MIIDSzCCAjOgAwIBAgIUQHK+ZgTUYZksvXY2/MyW+Jiels4wDQYJKoZIhvcNAQEL
-BQAwFjEUMBIGA1UEAwwLRWFzeS1SU0EgQ0EwHhcNMjEwNjE0MTk0NTI3WhcNMzEw
-NjEyMTk0NTI3WjAWMRQwEgYDVQQDDAtFYXN5LVJTQSBDQTCCASIwDQYJKoZIhvcN
-AQEBBQADggEPADCCAQoCggEBAKCAzpatA8yywXhGunWD//6Qg9EMJMb+7didNr10
-DuYPPGyTOXwG4Xicbr0FJ6cNkWg4wj3ZXEqqBzgS1Z9u78yuYPt5LE9eM8Wtawp7
-qIUCMTlSu4uD3/4A3c1xfHDpTOEl1BDvxMtQxQZcMNQVUG5ZMdcWQvqvQG6F7Nak
-+jgkaQ+Gyhwq++KVTEHJsA6+POuD0uaqAJv3tLGrRf4y4zdOn4thuTQ9swIBjKW6
-ci78Dk0F4u24YYV2BHKsPEPIyCQxKSRrMvqVWWljX9HmNsGawyEhLvW34aphj0aD
-JL/n1kWm+DnGyM+Rp6pXQz5y3xAnmKeYziaQNnvHoQi+gY0CAwEAAaOBkDCBjTAd
-BgNVHQ4EFgQUy43jkjE+CORrxeddqofQztZ9UxYwUQYDVR0jBEowSIAUy43jkjE+
-CORrxeddqofQztZ9UxahGqQYMBYxFDASBgNVBAMMC0Vhc3ktUlNBIENBghRAcr5m
-BNRhmSy9djb8zJb4mJ6WzjAMBgNVHRMEBTADAQH/MAsGA1UdDwQEAwIBBjANBgkq
-hkiG9w0BAQsFAAOCAQEALHdd1JXq6EUF9dSUijPLEiDVwn2TTIBIxvQqFzpWDDHg
-EWLzRJESyNUbIiwuUGwvqcVki0TmQcFR9XwmcDFDotlXz9OQISBlCW+Twuf4/XAL
-11njH8qXSaWF/wPbF35NOPhV5xOOCZ6K7Vilp3tK6LeOWvz2AUtwiVE1prNV3cIA
-B2ham0JASS0HIkfrcjpZNcx4NlSBaFf4MK5A11p13zPqMqzdEqn6n8fbYEADfVzy
-TfdqX1dPVc9zaM8uwyh5VyYBMDV7DoL384ZHJZYLENK/pT4kbl+sM/Cnhvyu0UCe
-RVqJGQtCdChZpDAVkzJRQYw3/FR8Mj+M+8GrgOrJ0w==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+"""
+
+int_ca_pem = """
+MIICYDCCAgWgAwIBAgIUcFx2BVYErHI+SneyPYHijxXt1cgwCgYIKoZIzj0EAwIw
+ZzELMAkGA1UEBhMCR0IxEzARBgNVBAgMClNvbWUtU3RhdGUxEjAQBgNVBAcMCVNv
+bWUtQ2l0eTENMAsGA1UECgwEVnlPUzEgMB4GA1UEAwwXSVBTZWMgU21va2V0ZXN0
+IFJvb3QgQ0EwHhcNMjMwOTI0MTIwNTE5WhcNMzMwOTIwMTIwNTE5WjBvMQswCQYD
+VQQGEwJHQjETMBEGA1UECAwKU29tZS1TdGF0ZTESMBAGA1UEBwwJU29tZS1DaXR5
+MQ0wCwYDVQQKDARWeU9TMSgwJgYDVQQDDB9JUFNlYyBTbW9rZXRlc3QgSW50ZXJt
+ZWRpYXRlIENBMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEIHw2G5dq3c715AcA
+tzR++dYu1fLRFmHzRGTZOT7hLrh2Fg4hnKFPLOeUA5Qi50xCvjJ9JnonTyy2RfRH
+axYizKOBhjCBgzASBgNVHRMBAf8ECDAGAQH/AgEAMA4GA1UdDwEB/wQEAwIBhjAd
+BgNVHSUEFjAUBggrBgEFBQcDAgYIKwYBBQUHAwEwHQYDVR0OBBYEFC9KrFYtA+hO
+l7vdMbWxTMAyLB7BMB8GA1UdIwQYMBaAFE2KECTZZO1/O/4EXoB5wpz3n9/QMAoG
+CCqGSM49BAMCA0kAMEYCIQCnqWbElgOL9dGO3iLxasFNq/hM7vM/DzaiHi4BowxW
+0gIhAMohefNj+QgLfPhvyODHIPE9LMyfp7lJEaCC2K8PCSFD
"""
peer_cert = """
-MIIDZjCCAk6gAwIBAgIRAKHpoE0rTcB/YXhnFpeckngwDQYJKoZIhvcNAQELBQAw
-FjEUMBIGA1UEAwwLRWFzeS1SU0EgQ0EwHhcNMjEwNjE0MjAwNDQ3WhcNMjQwNTI5
-MjAwNDQ3WjAQMQ4wDAYDVQQDDAVwZWVyMTCCASIwDQYJKoZIhvcNAQEBBQADggEP
-ADCCAQoCggEBALNwjDC1Lj2ojfCi1TESsyD0MLuqUVLTBZaXCXFtQdB/Aw3b3eBc
-J8+FUYQ6xMplmklXcjJEyXSMvqENpLX6xEDNWWvqTf22eEWt36QTfBeyFyDKtXnm
-4Y+ufXAHl3sLtyZN/7q+Xl4ubYvtAHVRLYzkXAtj1tVdaYEZQy8x/F3ZFFUsCfxR
-RqJBKTxcENP8STpIz9X8dS9iif9SBA42C0eHqMWv1tYW1IHO9gQxYFS3cvoPDPlD
-AJ3ihu5x3fO892S7FtZLVN/GsN1TKRKL217eVPyW0+QcnUwbrXWc7fnmm1btXVmh
-9YKPdtX8WnEeOtMCVZGKqdydnI3iAqvPmd0CAwEAAaOBtDCBsTAJBgNVHRMEAjAA
-MB0GA1UdDgQWBBQGsAPY4cHnTNUv7l+l8OYRSqcX8jBRBgNVHSMESjBIgBTLjeOS
-MT4I5GvF512qh9DO1n1TFqEapBgwFjEUMBIGA1UEAwwLRWFzeS1SU0EgQ0GCFEBy
-vmYE1GGZLL12NvzMlviYnpbOMBMGA1UdJQQMMAoGCCsGAQUFBwMBMAsGA1UdDwQE
-AwIFoDAQBgNVHREECTAHggVwZWVyMTANBgkqhkiG9w0BAQsFAAOCAQEAdJr+11eG
-FvChxu/LkwsXe2V+OZzGRq+hmQlaK3kG/AyI5hVA/IVHJkDe281wbBNKBWYxeSMn
-lAKbwuhPluO99oldzY9ZVkSiRmLh3r27wy/y+1plvoNxyTN7644Hvtk/8P/LV67R
-amXvVgkhpvIQSBfgifXzqUs+BV/x7TSeN3isxNOB8FP6imODsw8lF0Ir1Ze34emr
-TMNo5wNR5xp2dUa9OkzjRpgpifh20zM3UeVOixIPoq78IDjT0aZP8Lve2/g4Ccc6
-RHNF31r/2UL8rZfQRUAMijVdAvIINCk0kRBhNcr9MCi3czmmgiXXMGwLWLvSkfnE
-W06wKX1lpPSptg==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"""
peer_key = """
-MIIEvwIBADANBgkqhkiG9w0BAQEFAASCBKkwggSlAgEAAoIBAQCzcIwwtS49qI3w
-otUxErMg9DC7qlFS0wWWlwlxbUHQfwMN293gXCfPhVGEOsTKZZpJV3IyRMl0jL6h
-DaS1+sRAzVlr6k39tnhFrd+kE3wXshcgyrV55uGPrn1wB5d7C7cmTf+6vl5eLm2L
-7QB1US2M5FwLY9bVXWmBGUMvMfxd2RRVLAn8UUaiQSk8XBDT/Ek6SM/V/HUvYon/
-UgQONgtHh6jFr9bWFtSBzvYEMWBUt3L6Dwz5QwCd4obucd3zvPdkuxbWS1TfxrDd
-UykSi9te3lT8ltPkHJ1MG611nO355ptW7V1ZofWCj3bV/FpxHjrTAlWRiqncnZyN
-4gKrz5ndAgMBAAECggEACvAya4mv3uxWcrPKYSptpvWbvuTb/juE3LAqUDLDz0ze
-x8p+VP3pI1pSJMhcVKYq6IufF3df/G3T9Qda4gj+S6D48X4f8PZdkInP1zWk2+Ds
-TgBtXZf4agTN+rVLw6FsMbaRfzW5lO4pmV0CKSSgrTUCc2NLpkgCdW8vzEG0y5ek
-15uBOyvuydWM4CFgZT/cUvnu4UtPFL1vaTdD4Lw0FfZq4iS8SWsGbbMoTPKkJRlS
-k9oMEOvhA1WIfSgiG0FyaidoNEormB6J1SKVo27P8SOYu2etiFdF9SJUYg9cBzM3
-z3HcAsXeSh2kpc8Fc2yOS6zI5AsC0Len2SQmKQD8YQKBgQDlgg5cZV5AY2Ji6b+T
-nTHjna7dg/kzUOYs0AmK9DHHziZJ2SKucJlB9smynPLjY/MQbKcNWQ1Cad+olDNP
-Ts4lLhs4kbITkmgPQME3it1fGstHy/sGcF0m+YRsSxfwt5bxLXH86+d067C0XMhg
-URMgGv9ZBTe/P1LuhIUTEjYzlQKBgQDIJvl7sSXHRRB0k7NU/uV3Tut3NTqIzXiz
-pq9hMyF+3aIqaA7kdjIIJczv1grVYz+RUdX3Gu1FyHMl8ynoEz5NNWsbe+Ay/moa
-ztijak3UH3M+d6WsxSRehdYl6DaMstHwWfKZvWNJCGyl7ckz9gGjc3DY/qYqZDrx
-p3LlZsY7KQKBgQCj3ur2GgLkIpI7Yf9CHPlkNlCHJhYnB9pxoNFPf/CTY6R/EiTr
-PMaRDO8TM3FR3ynMTmgw5abMBuCFc9v3AqO6dGNHTvBBfUYDrg7H48UQhQckaocA
-H/bDP2HIGQ4s+Ek0R2ieWKpZF3iCL8V60CjBwcUVAN6/FS3X1JNX/KbqyQKBgQDA
-8dlk5PN/MlPXnZ6t2/7G0bxpsVVZFYI65P+CGvE6RFuUt7VLhalbc10pAtR0unVI
-GHTD/iAnOkHOnqeSQiK3+TvkRbluTxVn/GiYt9yJFTxaRqrebzlNKYW0CzOy1JtP
-MNaOYCS6/bUHC7//KDKSJ7HsbScwDGlKFVrMTBPiaQKBgQCjkIJDZ4pC3er7QiC3
-RXWPyxIG5iTjn4fizphaBt6+pkBAlBh0V6inmleAWa5DJSpgU4jQv4mZsAQs6ctq
-usmoy47ke8pTXPHgQ8ZUwsfM4IztqOm+w0X6mSZi6HdJCnMdxCZBBpO225UvonSR
-rgiyCHemtMepq57Pl1Nmj49eEA==
+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', ca_name])
+ 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)
diff --git a/src/conf_mode/vpn_ipsec.py b/src/conf_mode/vpn_ipsec.py
index fa271cbdb..9e9385ddb 100755
--- a/src/conf_mode/vpn_ipsec.py
+++ b/src/conf_mode/vpn_ipsec.py
@@ -1,585 +1,596 @@
#!/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 ipaddress
import os
import re
import jmespath
from sys import exit
from time import sleep
from time import time
from vyos.base import Warning
from vyos.config import Config
from vyos.configdict import leaf_node_changed
from vyos.configverify import verify_interface_exists
from vyos.defaults import directories
from vyos.ifconfig import Interface
+from vyos.pki import encode_certificate
from vyos.pki import encode_public_key
+from vyos.pki import find_chain
+from vyos.pki import load_certificate
from vyos.pki import load_private_key
from vyos.pki import wrap_certificate
from vyos.pki import wrap_crl
from vyos.pki import wrap_public_key
from vyos.pki import wrap_private_key
from vyos.template import ip_from_cidr
from vyos.template import is_ipv4
from vyos.template import is_ipv6
from vyos.template import render
from vyos.utils.network import is_ipv6_link_local
from vyos.utils.dict import dict_search
from vyos.utils.dict import dict_search_args
from vyos.utils.process import call
from vyos.utils.process import run
from vyos import ConfigError
from vyos import airbag
airbag.enable()
dhcp_wait_attempts = 2
dhcp_wait_sleep = 1
swanctl_dir = '/etc/swanctl'
charon_conf = '/etc/strongswan.d/charon.conf'
charon_dhcp_conf = '/etc/strongswan.d/charon/dhcp.conf'
charon_radius_conf = '/etc/strongswan.d/charon/eap-radius.conf'
interface_conf = '/etc/strongswan.d/interfaces_use.conf'
swanctl_conf = f'{swanctl_dir}/swanctl.conf'
default_install_routes = 'yes'
vici_socket = '/var/run/charon.vici'
CERT_PATH = f'{swanctl_dir}/x509/'
PUBKEY_PATH = f'{swanctl_dir}/pubkey/'
KEY_PATH = f'{swanctl_dir}/private/'
CA_PATH = f'{swanctl_dir}/x509ca/'
CRL_PATH = f'{swanctl_dir}/x509crl/'
DHCP_HOOK_IFLIST = '/tmp/ipsec_dhcp_waiting'
def get_config(config=None):
if config:
conf = config
else:
conf = Config()
base = ['vpn', 'ipsec']
l2tp_base = ['vpn', 'l2tp', 'remote-access', 'ipsec-settings']
if not conf.exists(base):
return None
# retrieve common dictionary keys
ipsec = conf.get_config_dict(base, key_mangling=('-', '_'),
no_tag_node_value_mangle=True,
get_first_key=True,
with_recursive_defaults=True)
ipsec['dhcp_no_address'] = {}
ipsec['install_routes'] = 'no' if conf.exists(base + ["options", "disable-route-autoinstall"]) else default_install_routes
ipsec['interface_change'] = leaf_node_changed(conf, base + ['interface'])
ipsec['nhrp_exists'] = conf.exists(['protocols', 'nhrp', 'tunnel'])
ipsec['pki'] = conf.get_config_dict(['pki'], key_mangling=('-', '_'),
no_tag_node_value_mangle=True,
get_first_key=True)
tmp = conf.get_config_dict(l2tp_base, key_mangling=('-', '_'),
no_tag_node_value_mangle=True,
get_first_key=True)
if tmp:
ipsec['l2tp'] = conf.merge_defaults(tmp, recursive=True)
ipsec['l2tp_outside_address'] = conf.return_value(['vpn', 'l2tp', 'remote-access', 'outside-address'])
ipsec['l2tp_ike_default'] = 'aes256-sha1-modp1024,3des-sha1-modp1024'
ipsec['l2tp_esp_default'] = 'aes256-sha1,3des-sha1'
return ipsec
def get_dhcp_address(iface):
addresses = Interface(iface).get_addr()
if not addresses:
return None
for address in addresses:
if not is_ipv6_link_local(address):
return ip_from_cidr(address)
return None
def verify_pki_x509(pki, x509_conf):
if not pki or 'ca' not in pki or 'certificate' not in pki:
raise ConfigError(f'PKI is not configured')
ca_cert_name = x509_conf['ca_certificate']
cert_name = x509_conf['certificate']
if not dict_search_args(pki, 'ca', ca_cert_name, 'certificate'):
raise ConfigError(f'Missing CA certificate on specified PKI CA certificate "{ca_cert_name}"')
if not dict_search_args(pki, 'certificate', cert_name, 'certificate'):
raise ConfigError(f'Missing certificate on specified PKI certificate "{cert_name}"')
if not dict_search_args(pki, 'certificate', cert_name, 'private', 'key'):
raise ConfigError(f'Missing private key on specified PKI certificate "{cert_name}"')
return True
def verify_pki_rsa(pki, rsa_conf):
if not pki or 'key_pair' not in pki:
raise ConfigError(f'PKI is not configured')
local_key = rsa_conf['local_key']
remote_key = rsa_conf['remote_key']
if not dict_search_args(pki, 'key_pair', local_key, 'private', 'key'):
raise ConfigError(f'Missing private key on specified local-key "{local_key}"')
if not dict_search_args(pki, 'key_pair', remote_key, 'public', 'key'):
raise ConfigError(f'Missing public key on specified remote-key "{remote_key}"')
return True
def verify(ipsec):
if not ipsec:
return None
if 'authentication' in ipsec:
if 'psk' in ipsec['authentication']:
for psk, psk_config in ipsec['authentication']['psk'].items():
if 'id' not in psk_config or 'secret' not in psk_config:
raise ConfigError(f'Authentication psk "{psk}" missing "id" or "secret"')
if 'interfaces' in ipsec :
for ifname in ipsec['interface']:
verify_interface_exists(ifname)
if 'l2tp' in ipsec:
if 'esp_group' in ipsec['l2tp']:
if 'esp_group' not in ipsec or ipsec['l2tp']['esp_group'] not in ipsec['esp_group']:
raise ConfigError(f"Invalid esp-group on L2TP remote-access config")
if 'ike_group' in ipsec['l2tp']:
if 'ike_group' not in ipsec or ipsec['l2tp']['ike_group'] not in ipsec['ike_group']:
raise ConfigError(f"Invalid ike-group on L2TP remote-access config")
if 'authentication' not in ipsec['l2tp']:
raise ConfigError(f'Missing authentication settings on L2TP remote-access config')
if 'mode' not in ipsec['l2tp']['authentication']:
raise ConfigError(f'Missing authentication mode on L2TP remote-access config')
if not ipsec['l2tp_outside_address']:
raise ConfigError(f'Missing outside-address on L2TP remote-access config')
if ipsec['l2tp']['authentication']['mode'] == 'pre-shared-secret':
if 'pre_shared_secret' not in ipsec['l2tp']['authentication']:
raise ConfigError(f'Missing pre shared secret on L2TP remote-access config')
if ipsec['l2tp']['authentication']['mode'] == 'x509':
if 'x509' not in ipsec['l2tp']['authentication']:
raise ConfigError(f'Missing x509 settings on L2TP remote-access config')
x509 = ipsec['l2tp']['authentication']['x509']
if 'ca_certificate' not in x509 or 'certificate' not in x509:
raise ConfigError(f'Missing x509 certificates on L2TP remote-access config')
verify_pki_x509(ipsec['pki'], x509)
if 'profile' in ipsec:
for profile, profile_conf in ipsec['profile'].items():
if 'esp_group' in profile_conf:
if 'esp_group' not in ipsec or profile_conf['esp_group'] not in ipsec['esp_group']:
raise ConfigError(f"Invalid esp-group on {profile} profile")
else:
raise ConfigError(f"Missing esp-group on {profile} profile")
if 'ike_group' in profile_conf:
if 'ike_group' not in ipsec or profile_conf['ike_group'] not in ipsec['ike_group']:
raise ConfigError(f"Invalid ike-group on {profile} profile")
else:
raise ConfigError(f"Missing ike-group on {profile} profile")
if 'authentication' not in profile_conf:
raise ConfigError(f"Missing authentication on {profile} profile")
if 'remote_access' in ipsec:
if 'connection' in ipsec['remote_access']:
for name, ra_conf in ipsec['remote_access']['connection'].items():
if 'esp_group' in ra_conf:
if 'esp_group' not in ipsec or ra_conf['esp_group'] not in ipsec['esp_group']:
raise ConfigError(f"Invalid esp-group on {name} remote-access config")
else:
raise ConfigError(f"Missing esp-group on {name} remote-access config")
if 'ike_group' in ra_conf:
if 'ike_group' not in ipsec or ra_conf['ike_group'] not in ipsec['ike_group']:
raise ConfigError(f"Invalid ike-group on {name} remote-access config")
ike = ra_conf['ike_group']
if dict_search(f'ike_group.{ike}.key_exchange', ipsec) != 'ikev2':
raise ConfigError('IPsec remote-access connections requires IKEv2!')
else:
raise ConfigError(f"Missing ike-group on {name} remote-access config")
if 'authentication' not in ra_conf:
raise ConfigError(f"Missing authentication on {name} remote-access config")
if ra_conf['authentication']['server_mode'] == 'x509':
if 'x509' not in ra_conf['authentication']:
raise ConfigError(f"Missing x509 settings on {name} remote-access config")
x509 = ra_conf['authentication']['x509']
if 'ca_certificate' not in x509 or 'certificate' not in x509:
raise ConfigError(f"Missing x509 certificates on {name} remote-access config")
verify_pki_x509(ipsec['pki'], x509)
elif ra_conf['authentication']['server_mode'] == 'pre-shared-secret':
if 'pre_shared_secret' not in ra_conf['authentication']:
raise ConfigError(f"Missing pre-shared-key on {name} remote-access config")
if 'client_mode' not in ra_conf['authentication']:
raise ConfigError('Client authentication method is required!')
if dict_search('authentication.client_mode', ra_conf) == 'eap-radius':
if dict_search('remote_access.radius.server', ipsec) == None:
raise ConfigError('RADIUS authentication requires at least one server')
if 'pool' in ra_conf:
if {'dhcp', 'radius'} <= set(ra_conf['pool']):
raise ConfigError(f'Can not use both DHCP and RADIUS for address allocation '\
f'at the same time for "{name}"!')
if 'dhcp' in ra_conf['pool'] and len(ra_conf['pool']) > 1:
raise ConfigError(f'Can not use DHCP and a predefined address pool for "{name}"!')
if 'radius' in ra_conf['pool'] and len(ra_conf['pool']) > 1:
raise ConfigError(f'Can not use RADIUS and a predefined address pool for "{name}"!')
for pool in ra_conf['pool']:
if pool == 'dhcp':
if dict_search('remote_access.dhcp.server', ipsec) == None:
raise ConfigError('IPsec DHCP server is not configured!')
elif pool == 'radius':
if dict_search('remote_access.radius.server', ipsec) == None:
raise ConfigError('IPsec RADIUS server is not configured!')
if dict_search('authentication.client_mode', ra_conf) != 'eap-radius':
raise ConfigError('RADIUS IP pool requires eap-radius client authentication!')
elif 'pool' not in ipsec['remote_access'] or pool not in ipsec['remote_access']['pool']:
raise ConfigError(f'Requested pool "{pool}" does not exist!')
if 'pool' in ipsec['remote_access']:
for pool, pool_config in ipsec['remote_access']['pool'].items():
if 'prefix' not in pool_config:
raise ConfigError(f'Missing madatory prefix option for pool "{pool}"!')
if 'name_server' in pool_config:
if len(pool_config['name_server']) > 2:
raise ConfigError(f'Only two name-servers are supported for remote-access pool "{pool}"!')
for ns in pool_config['name_server']:
v4_addr_and_ns = is_ipv4(ns) and not is_ipv4(pool_config['prefix'])
v6_addr_and_ns = is_ipv6(ns) and not is_ipv6(pool_config['prefix'])
if v4_addr_and_ns or v6_addr_and_ns:
raise ConfigError('Must use both IPv4 or IPv6 addresses for pool prefix and name-server adresses!')
if 'exclude' in pool_config:
for exclude in pool_config['exclude']:
v4_addr_and_exclude = is_ipv4(exclude) and not is_ipv4(pool_config['prefix'])
v6_addr_and_exclude = is_ipv6(exclude) and not is_ipv6(pool_config['prefix'])
if v4_addr_and_exclude or v6_addr_and_exclude:
raise ConfigError('Must use both IPv4 or IPv6 addresses for pool prefix and exclude prefixes!')
if 'radius' in ipsec['remote_access'] and 'server' in ipsec['remote_access']['radius']:
for server, server_config in ipsec['remote_access']['radius']['server'].items():
if 'key' not in server_config:
raise ConfigError(f'Missing RADIUS secret key for server "{server}"')
if 'site_to_site' in ipsec and 'peer' in ipsec['site_to_site']:
for peer, peer_conf in ipsec['site_to_site']['peer'].items():
has_default_esp = False
# Peer name it is swanctl connection name and shouldn't contain dots or colons, T4118
if bool(re.search(':|\.', peer)):
raise ConfigError(f'Incorrect peer name "{peer}" '
f'Peer name can contain alpha-numeric letters, hyphen and underscore')
if 'remote_address' not in peer_conf:
print(f'You should set correct remote-address "peer {peer} remote-address x.x.x.x"\n')
if 'default_esp_group' in peer_conf:
has_default_esp = True
if 'esp_group' not in ipsec or peer_conf['default_esp_group'] not in ipsec['esp_group']:
raise ConfigError(f"Invalid esp-group on site-to-site peer {peer}")
if 'ike_group' in peer_conf:
if 'ike_group' not in ipsec or peer_conf['ike_group'] not in ipsec['ike_group']:
raise ConfigError(f"Invalid ike-group on site-to-site peer {peer}")
else:
raise ConfigError(f"Missing ike-group on site-to-site peer {peer}")
if 'authentication' not in peer_conf or 'mode' not in peer_conf['authentication']:
raise ConfigError(f"Missing authentication on site-to-site peer {peer}")
if {'id', 'use_x509_id'} <= set(peer_conf['authentication']):
raise ConfigError(f"Manually set peer id and use-x509-id are mutually exclusive!")
if peer_conf['authentication']['mode'] == 'x509':
if 'x509' not in peer_conf['authentication']:
raise ConfigError(f"Missing x509 settings on site-to-site peer {peer}")
x509 = peer_conf['authentication']['x509']
if 'ca_certificate' not in x509 or 'certificate' not in x509:
raise ConfigError(f"Missing x509 certificates on site-to-site peer {peer}")
verify_pki_x509(ipsec['pki'], x509)
elif peer_conf['authentication']['mode'] == 'rsa':
if 'rsa' not in peer_conf['authentication']:
raise ConfigError(f"Missing RSA settings on site-to-site peer {peer}")
rsa = peer_conf['authentication']['rsa']
if 'local_key' not in rsa:
raise ConfigError(f"Missing RSA local-key on site-to-site peer {peer}")
if 'remote_key' not in rsa:
raise ConfigError(f"Missing RSA remote-key on site-to-site peer {peer}")
verify_pki_rsa(ipsec['pki'], rsa)
if 'local_address' not in peer_conf and 'dhcp_interface' not in peer_conf:
raise ConfigError(f"Missing local-address or dhcp-interface on site-to-site peer {peer}")
if 'dhcp_interface' in peer_conf:
dhcp_interface = peer_conf['dhcp_interface']
verify_interface_exists(dhcp_interface)
dhcp_base = directories['isc_dhclient_dir']
if not os.path.exists(f'{dhcp_base}/dhclient_{dhcp_interface}.conf'):
raise ConfigError(f"Invalid dhcp-interface on site-to-site peer {peer}")
address = get_dhcp_address(dhcp_interface)
count = 0
while not address and count < dhcp_wait_attempts:
address = get_dhcp_address(dhcp_interface)
count += 1
sleep(dhcp_wait_sleep)
if not address:
ipsec['dhcp_no_address'][peer] = dhcp_interface
print(f"Failed to get address from dhcp-interface on site-to-site peer {peer} -- skipped")
continue
if 'vti' in peer_conf:
if 'local_address' in peer_conf and 'dhcp_interface' in peer_conf:
raise ConfigError(f"A single local-address or dhcp-interface is required when using VTI on site-to-site peer {peer}")
if dict_search('options.disable_route_autoinstall',
ipsec) == None:
Warning('It\'s recommended to use ipsec vti with the next command\n[set vpn ipsec option disable-route-autoinstall]')
if 'bind' in peer_conf['vti']:
vti_interface = peer_conf['vti']['bind']
if not os.path.exists(f'/sys/class/net/{vti_interface}'):
raise ConfigError(f'VTI interface {vti_interface} for site-to-site peer {peer} does not exist!')
if 'vti' not in peer_conf and 'tunnel' not in peer_conf:
raise ConfigError(f"No VTI or tunnel specified on site-to-site peer {peer}")
if 'tunnel' in peer_conf:
for tunnel, tunnel_conf in peer_conf['tunnel'].items():
if 'esp_group' not in tunnel_conf and not has_default_esp:
raise ConfigError(f"Missing esp-group on tunnel {tunnel} for site-to-site peer {peer}")
esp_group_name = tunnel_conf['esp_group'] if 'esp_group' in tunnel_conf else peer_conf['default_esp_group']
if esp_group_name not in ipsec['esp_group']:
raise ConfigError(f"Invalid esp-group on tunnel {tunnel} for site-to-site peer {peer}")
esp_group = ipsec['esp_group'][esp_group_name]
if 'mode' in esp_group and esp_group['mode'] == 'transport':
if 'protocol' in tunnel_conf and ((peer in ['any', '0.0.0.0']) or ('local_address' not in peer_conf or peer_conf['local_address'] in ['any', '0.0.0.0'])):
raise ConfigError(f"Fixed local-address or peer required when a protocol is defined with ESP transport mode on tunnel {tunnel} for site-to-site peer {peer}")
if ('local' in tunnel_conf and 'prefix' in tunnel_conf['local']) or ('remote' in tunnel_conf and 'prefix' in tunnel_conf['remote']):
raise ConfigError(f"Local/remote prefix cannot be used with ESP transport mode on tunnel {tunnel} for site-to-site peer {peer}")
def cleanup_pki_files():
for path in [CERT_PATH, CA_PATH, CRL_PATH, KEY_PATH, PUBKEY_PATH]:
if not os.path.exists(path):
continue
for file in os.listdir(path):
file_path = os.path.join(path, file)
if os.path.isfile(file_path):
os.unlink(file_path)
def generate_pki_files_x509(pki, x509_conf):
ca_cert_name = x509_conf['ca_certificate']
ca_cert_data = dict_search_args(pki, 'ca', ca_cert_name, 'certificate')
ca_cert_crls = dict_search_args(pki, 'ca', ca_cert_name, 'crl') or []
+ ca_index = 1
crl_index = 1
+ ca_cert = load_certificate(ca_cert_data)
+ pki_ca_certs = [load_certificate(ca['certificate']) for ca in pki['ca'].values()]
+
+ ca_cert_chain = find_chain(ca_cert, pki_ca_certs)
+
cert_name = x509_conf['certificate']
cert_data = dict_search_args(pki, 'certificate', cert_name, 'certificate')
key_data = dict_search_args(pki, 'certificate', cert_name, 'private', 'key')
protected = 'passphrase' in x509_conf
- with open(os.path.join(CA_PATH, f'{ca_cert_name}.pem'), 'w') as f:
- f.write(wrap_certificate(ca_cert_data))
+ for ca_cert_obj in ca_cert_chain:
+ with open(os.path.join(CA_PATH, f'{ca_cert_name}_{ca_index}.pem'), 'w') as f:
+ f.write(encode_certificate(ca_cert_obj))
+ ca_index += 1
for crl in ca_cert_crls:
with open(os.path.join(CRL_PATH, f'{ca_cert_name}_{crl_index}.pem'), 'w') as f:
f.write(wrap_crl(crl))
crl_index += 1
with open(os.path.join(CERT_PATH, f'{cert_name}.pem'), 'w') as f:
f.write(wrap_certificate(cert_data))
with open(os.path.join(KEY_PATH, f'x509_{cert_name}.pem'), 'w') as f:
f.write(wrap_private_key(key_data, protected))
def generate_pki_files_rsa(pki, rsa_conf):
local_key_name = rsa_conf['local_key']
local_key_data = dict_search_args(pki, 'key_pair', local_key_name, 'private', 'key')
protected = 'passphrase' in rsa_conf
remote_key_name = rsa_conf['remote_key']
remote_key_data = dict_search_args(pki, 'key_pair', remote_key_name, 'public', 'key')
local_key = load_private_key(local_key_data, rsa_conf['passphrase'] if protected else None)
with open(os.path.join(KEY_PATH, f'rsa_{local_key_name}.pem'), 'w') as f:
f.write(wrap_private_key(local_key_data, protected))
with open(os.path.join(PUBKEY_PATH, f'{local_key_name}.pem'), 'w') as f:
f.write(encode_public_key(local_key.public_key()))
with open(os.path.join(PUBKEY_PATH, f'{remote_key_name}.pem'), 'w') as f:
f.write(wrap_public_key(remote_key_data))
def generate(ipsec):
cleanup_pki_files()
if not ipsec:
for config_file in [charon_dhcp_conf, charon_radius_conf, interface_conf, swanctl_conf]:
if os.path.isfile(config_file):
os.unlink(config_file)
render(charon_conf, 'ipsec/charon.j2', {'install_routes': default_install_routes})
return
if ipsec['dhcp_no_address']:
with open(DHCP_HOOK_IFLIST, 'w') as f:
f.write(" ".join(ipsec['dhcp_no_address'].values()))
elif os.path.exists(DHCP_HOOK_IFLIST):
os.unlink(DHCP_HOOK_IFLIST)
for path in [swanctl_dir, CERT_PATH, CA_PATH, CRL_PATH, PUBKEY_PATH]:
if not os.path.exists(path):
os.mkdir(path, mode=0o755)
if not os.path.exists(KEY_PATH):
os.mkdir(KEY_PATH, mode=0o700)
if 'l2tp' in ipsec:
if 'authentication' in ipsec['l2tp'] and 'x509' in ipsec['l2tp']['authentication']:
generate_pki_files_x509(ipsec['pki'], ipsec['l2tp']['authentication']['x509'])
if 'remote_access' in ipsec and 'connection' in ipsec['remote_access']:
for rw, rw_conf in ipsec['remote_access']['connection'].items():
if 'authentication' in rw_conf and 'x509' in rw_conf['authentication']:
generate_pki_files_x509(ipsec['pki'], rw_conf['authentication']['x509'])
if 'site_to_site' in ipsec and 'peer' in ipsec['site_to_site']:
for peer, peer_conf in ipsec['site_to_site']['peer'].items():
if peer in ipsec['dhcp_no_address']:
continue
if peer_conf['authentication']['mode'] == 'x509':
generate_pki_files_x509(ipsec['pki'], peer_conf['authentication']['x509'])
elif peer_conf['authentication']['mode'] == 'rsa':
generate_pki_files_rsa(ipsec['pki'], peer_conf['authentication']['rsa'])
local_ip = ''
if 'local_address' in peer_conf:
local_ip = peer_conf['local_address']
elif 'dhcp_interface' in peer_conf:
local_ip = get_dhcp_address(peer_conf['dhcp_interface'])
ipsec['site_to_site']['peer'][peer]['local_address'] = local_ip
if 'tunnel' in peer_conf:
for tunnel, tunnel_conf in peer_conf['tunnel'].items():
local_prefixes = dict_search_args(tunnel_conf, 'local', 'prefix')
remote_prefixes = dict_search_args(tunnel_conf, 'remote', 'prefix')
if not local_prefixes or not remote_prefixes:
continue
passthrough = None
for local_prefix in local_prefixes:
for remote_prefix in remote_prefixes:
local_net = ipaddress.ip_network(local_prefix)
remote_net = ipaddress.ip_network(remote_prefix)
if local_net.overlaps(remote_net):
if passthrough is None:
passthrough = []
passthrough.append(local_prefix)
ipsec['site_to_site']['peer'][peer]['tunnel'][tunnel]['passthrough'] = passthrough
# auth psk <tag> dhcp-interface <xxx>
if jmespath.search('authentication.psk.*.dhcp_interface', ipsec):
for psk, psk_config in ipsec['authentication']['psk'].items():
if 'dhcp_interface' in psk_config:
for iface in psk_config['dhcp_interface']:
id = get_dhcp_address(iface)
if id:
ipsec['authentication']['psk'][psk]['id'].append(id)
render(charon_conf, 'ipsec/charon.j2', ipsec)
render(charon_dhcp_conf, 'ipsec/charon/dhcp.conf.j2', ipsec)
render(charon_radius_conf, 'ipsec/charon/eap-radius.conf.j2', ipsec)
render(interface_conf, 'ipsec/interfaces_use.conf.j2', ipsec)
render(swanctl_conf, 'ipsec/swanctl.conf.j2', ipsec)
def resync_nhrp(ipsec):
if ipsec and not ipsec['nhrp_exists']:
return
tmp = run('/usr/libexec/vyos/conf_mode/protocols_nhrp.py')
if tmp > 0:
print('ERROR: failed to reapply NHRP settings!')
def apply(ipsec):
systemd_service = 'strongswan.service'
if not ipsec:
call(f'systemctl stop {systemd_service}')
else:
call(f'systemctl reload-or-restart {systemd_service}')
resync_nhrp(ipsec)
if __name__ == '__main__':
try:
ipsec = get_config()
verify(ipsec)
generate(ipsec)
apply(ipsec)
except ConfigError as e:
print(e)
exit(1)