diff --git a/data/templates/dns-dynamic/override.conf.j2 b/data/templates/dns-dynamic/override.conf.j2
index 6ca1b8a45..4a6851cef 100644
--- a/data/templates/dns-dynamic/override.conf.j2
+++ b/data/templates/dns-dynamic/override.conf.j2
@@ -1,10 +1,10 @@
{% set vrf_command = 'ip vrf exec ' ~ vrf ~ ' ' if vrf is vyos_defined else '' %}
[Unit]
ConditionPathExists={{ config_file }}
After=vyos-router.service
[Service]
PIDFile={{ config_file | replace('.conf', '.pid') }}
EnvironmentFile=
ExecStart=
-ExecStart=/usr/bin/ddclient -file {{ config_file }}
+ExecStart={{ vrf_command }}/usr/bin/ddclient -file {{ config_file }}
diff --git a/interface-definitions/dns-dynamic.xml.in b/interface-definitions/dns-dynamic.xml.in
index a0720f3aa..94e0645d4 100644
--- a/interface-definitions/dns-dynamic.xml.in
+++ b/interface-definitions/dns-dynamic.xml.in
@@ -1,173 +1,174 @@
<?xml version="1.0"?>
<interfaceDefinition>
<node name="service">
<children>
<node name="dns">
<properties>
<help>Domain Name System (DNS) related services</help>
</properties>
<children>
<node name="dynamic" owner="${vyos_conf_scripts_dir}/dns_dynamic.py">
<properties>
<help>Dynamic DNS</help>
</properties>
<children>
<tagNode name="address">
<properties>
<help>Obtain IP address to send Dynamic DNS update for</help>
<valueHelp>
<format>txt</format>
<description>Use interface to obtain the IP address</description>
</valueHelp>
<valueHelp>
<format>web</format>
<description>Use HTTP(S) web request to obtain the IP address</description>
</valueHelp>
<completionHelp>
<script>${vyos_completion_dir}/list_interfaces</script>
<list>web</list>
</completionHelp>
<constraint>
#include <include/constraint/interface-name.xml.i>
<regex>web</regex>
</constraint>
</properties>
<children>
<node name="web-options">
<properties>
<help>Options when using HTTP(S) web request to obtain the IP address</help>
</properties>
<children>
#include <include/url.xml.i>
<leafNode name="skip">
<properties>
<help>Pattern to skip from the HTTP(S) respose</help>
<valueHelp>
<format>txt</format>
<description>Pattern to skip from the HTTP(S) respose to extract the external IP address</description>
</valueHelp>
</properties>
</leafNode>
</children>
</node>
<tagNode name="rfc2136">
<properties>
<help>RFC2136 nsupdate configuration</help>
<valueHelp>
<format>txt</format>
<description>RFC2136 nsupdate service name</description>
</valueHelp>
</properties>
<children>
#include <include/generic-description.xml.i>
#include <include/dns/dynamic-service-host-name-server.xml.i>
<leafNode name="key">
<properties>
<help>File containing the TSIG secret key shared with remote DNS server</help>
<valueHelp>
<format>filename</format>
<description>File in /config/auth directory</description>
</valueHelp>
<constraint>
<validator name="file-path" argument="--strict --parent-dir /config/auth"/>
</constraint>
</properties>
</leafNode>
#include <include/dns/time-to-live.xml.i>
<leafNode name="zone">
<properties>
<help>Forwarding zone to be updated</help>
<valueHelp>
<format>txt</format>
<description>RFC2136 Zone to be updated</description>
</valueHelp>
<constraint>
<validator name="fqdn"/>
</constraint>
</properties>
</leafNode>
</children>
</tagNode>
<tagNode name="service">
<properties>
<help>Dynamic DNS configuration</help>
<valueHelp>
<format>txt</format>
<description>Dynamic DNS service name</description>
</valueHelp>
</properties>
<children>
#include <include/generic-description.xml.i>
#include <include/dns/dynamic-service-host-name-server.xml.i>
#include <include/generic-username.xml.i>
#include <include/generic-password.xml.i>
<leafNode name="protocol">
<properties>
<help>ddclient protocol used for Dynamic DNS service</help>
<completionHelp>
<script>${vyos_completion_dir}/list_ddclient_protocols.sh</script>
</completionHelp>
<constraint>
<validator name="ddclient-protocol"/>
</constraint>
</properties>
</leafNode>
<leafNode name="zone">
<properties>
<help>DNS zone to update (not used by all protocols)</help>
<valueHelp>
<format>txt</format>
<description>Name of DNS zone</description>
</valueHelp>
</properties>
</leafNode>
<leafNode name="ip-version">
<properties>
<help>IP address version to use</help>
<valueHelp>
<format>_ipv4</format>
<description>Use only IPv4 address</description>
</valueHelp>
<valueHelp>
<format>_ipv6</format>
<description>Use only IPv6 address</description>
</valueHelp>
<valueHelp>
<format>both</format>
<description>Use both IPv4 and IPv6 address</description>
</valueHelp>
<completionHelp>
<list>ipv4 ipv6 both</list>
</completionHelp>
<constraint>
<regex>(ipv[46]|both)</regex>
</constraint>
<constraintErrorMessage>IP Version must be literal 'ipv4', 'ipv6' or 'both'</constraintErrorMessage>
</properties>
<defaultValue>ipv4</defaultValue>
</leafNode>
</children>
</tagNode>
</children>
</tagNode>
<leafNode name="timeout">
<properties>
<help>Time in seconds to wait between DNS updates</help>
<valueHelp>
<format>u32:60-3600</format>
<description>Time in seconds</description>
</valueHelp>
<constraint>
<validator name="numeric" argument="--range 60-3600"/>
</constraint>
<constraintErrorMessage>Timeout must be between 60 and 3600 seconds</constraintErrorMessage>
</properties>
<defaultValue>300</defaultValue>
</leafNode>
+ #include <include/interface/vrf.xml.i>
</children>
</node>
</children>
</node>
</children>
</node>
</interfaceDefinition>
diff --git a/smoketest/scripts/cli/test_service_dns_dynamic.py b/smoketest/scripts/cli/test_service_dns_dynamic.py
index 357c3dfb1..366b063c7 100755
--- a/smoketest/scripts/cli/test_service_dns_dynamic.py
+++ b/smoketest/scripts/cli/test_service_dns_dynamic.py
@@ -1,192 +1,226 @@
#!/usr/bin/env python3
#
# Copyright (C) 2019-2023 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
import tempfile
+import random
+import string
from base_vyostest_shim import VyOSUnitTestSHIM
from vyos.configsession import ConfigSessionError
from vyos.utils.process import cmd
from vyos.utils.process import process_running
+DDCLIENT_SYSTEMD_UNIT = '/run/systemd/system/ddclient.service.d/override.conf'
DDCLIENT_CONF = '/run/ddclient/ddclient.conf'
DDCLIENT_PID = '/run/ddclient/ddclient.pid'
+DDCLIENT_PNAME = 'ddclient'
base_path = ['service', 'dns', 'dynamic']
hostname = 'test.ddns.vyos.io'
zone = 'vyos.io'
password = 'paSS_@4ord'
interface = 'eth0'
class TestServiceDDNS(VyOSUnitTestSHIM.TestCase):
def tearDown(self):
# Check for running process
self.assertTrue(process_running(DDCLIENT_PID))
# Delete DDNS configuration
self.cli_delete(base_path)
self.cli_commit()
# PID file must no londer exist after process exited
self.assertFalse(os.path.exists(DDCLIENT_PID))
# IPv4 standard DDNS service configuration
def test_01_dyndns_service_standard(self):
ddns = ['address', interface, 'service']
services = {'cloudflare': {'protocol': 'cloudflare'},
'freedns': {'protocol': 'freedns', 'username': 'vyos_user'},
'zoneedit': {'protocol': 'zoneedit1', 'username': 'vyos_user'}}
for svc, details in services.items():
# Always start with a clean CLI instance
self.cli_delete(base_path)
self.cli_set(base_path + ddns + [svc, 'host-name', hostname])
self.cli_set(base_path + ddns + [svc, 'password', password])
self.cli_set(base_path + ddns + [svc, 'zone', zone])
for opt, value in details.items():
self.cli_set(base_path + ddns + [svc, opt, value])
# commit changes
if details['protocol'] == 'cloudflare':
pass
else:
# zone option does not work on all protocols, an exception is
# raised for all others
with self.assertRaises(ConfigSessionError):
self.cli_commit()
self.cli_delete(base_path + ddns + [svc, 'zone', zone])
# commit changes
self.cli_commit()
# Check the generating config parameters
ddclient_conf = cmd(f'sudo cat {DDCLIENT_CONF}')
# default value 300 seconds
self.assertIn(f'daemon=300', ddclient_conf)
self.assertIn(f'usev4=ifv4', ddclient_conf)
self.assertIn(f'ifv4={interface}', ddclient_conf)
self.assertIn(f'password={password}', ddclient_conf)
for opt in details.keys():
if opt == 'username':
login = details[opt]
self.assertIn(f'login={login}', ddclient_conf)
else:
tmp = details[opt]
self.assertIn(f'{opt}={tmp}', ddclient_conf)
# IPv6 only DDNS service configuration
def test_02_dyndns_service_ipv6(self):
timeout = '60'
ddns = ['address', interface, 'service', 'dynv6']
proto = 'dyndns2'
user = 'none'
password = 'paSS_4ord'
srv = 'ddns.vyos.io'
ip_version = 'ipv6'
self.cli_set(base_path + ['timeout', timeout])
self.cli_set(base_path + ddns + ['ip-version', ip_version])
self.cli_set(base_path + ddns + ['protocol', proto])
self.cli_set(base_path + ddns + ['server', srv])
self.cli_set(base_path + ddns + ['username', user])
self.cli_set(base_path + ddns + ['password', password])
self.cli_set(base_path + ddns + ['host-name', hostname])
# commit changes
self.cli_commit()
# Check the generating config parameters
ddclient_conf = cmd(f'sudo cat {DDCLIENT_CONF}')
self.assertIn(f'daemon={timeout}', ddclient_conf)
self.assertIn(f'usev6=ifv6', ddclient_conf)
self.assertIn(f'ifv6={interface}', ddclient_conf)
self.assertIn(f'protocol={proto}', ddclient_conf)
self.assertIn(f'server={srv}', ddclient_conf)
self.assertIn(f'login={user}', ddclient_conf)
self.assertIn(f'password={password}', ddclient_conf)
# IPv4+IPv6 dual DDNS service configuration
def test_03_dyndns_service_dual_stack(self):
ddns = ['address', interface, 'service']
services = {'cloudflare': {'protocol': 'cloudflare', 'zone': 'vyos.io'},
'freedns': {'protocol': 'freedns', 'username': 'vyos_user'}}
password = 'vyos_pass'
ip_version = 'both'
for svc, details in services.items():
# Always start with a clean CLI instance
self.cli_delete(base_path)
self.cli_set(base_path + ddns + [svc, 'host-name', hostname])
self.cli_set(base_path + ddns + [svc, 'password', password])
self.cli_set(base_path + ddns + [svc, 'ip-version', ip_version])
for opt, value in details.items():
self.cli_set(base_path + ddns + [svc, opt, value])
# commit changes
self.cli_commit()
# Check the generating config parameters
ddclient_conf = cmd(f'sudo cat {DDCLIENT_CONF}')
self.assertIn(f'usev4=ifv4', ddclient_conf)
self.assertIn(f'usev6=ifv6', ddclient_conf)
self.assertIn(f'ifv4={interface}', ddclient_conf)
self.assertIn(f'ifv6={interface}', ddclient_conf)
self.assertIn(f'password={password}', ddclient_conf)
for opt in details.keys():
if opt == 'username':
login = details[opt]
self.assertIn(f'login={login}', ddclient_conf)
else:
tmp = details[opt]
self.assertIn(f'{opt}={tmp}', ddclient_conf)
def test_04_dyndns_rfc2136(self):
# Check if DDNS service can be configured and runs
ddns = ['address', interface, 'rfc2136', 'vyos']
srv = 'ns1.vyos.io'
zone = 'vyos.io'
ttl = '300'
with tempfile.NamedTemporaryFile(prefix='/config/auth/') as key_file:
key_file.write(b'S3cretKey')
self.cli_set(base_path + ddns + ['server', srv])
self.cli_set(base_path + ddns + ['zone', zone])
self.cli_set(base_path + ddns + ['key', key_file.name])
self.cli_set(base_path + ddns + ['ttl', ttl])
self.cli_set(base_path + ddns + ['host-name', hostname])
# commit changes
self.cli_commit()
# Check some generating config parameters
ddclient_conf = cmd(f'sudo cat {DDCLIENT_CONF}')
self.assertIn(f'use=if', ddclient_conf)
self.assertIn(f'if={interface}', ddclient_conf)
self.assertIn(f'protocol=nsupdate', ddclient_conf)
self.assertIn(f'server={srv}', ddclient_conf)
self.assertIn(f'zone={zone}', ddclient_conf)
self.assertIn(f'password={key_file.name}', ddclient_conf)
self.assertIn(f'ttl={ttl}', ddclient_conf)
+ def test_05_dyndns_vrf(self):
+ vrf_name = f'vyos-test-{"".join(random.choices(string.ascii_letters + string.digits, k=5))}'
+ svc_path = ['address', interface, 'service', 'cloudflare']
+
+ # Always start with a clean CLI instance
+ self.cli_delete(base_path)
+
+ self.cli_set(['vrf', 'name', vrf_name, 'table', '12345'])
+ self.cli_set(base_path + ['vrf', vrf_name])
+
+ self.cli_set(base_path + svc_path + ['protocol', 'cloudflare'])
+ self.cli_set(base_path + svc_path + ['host-name', hostname])
+ self.cli_set(base_path + svc_path + ['zone', zone])
+ self.cli_set(base_path + svc_path + ['password', password])
+
+ # commit changes
+ self.cli_commit()
+
+ # Check for process in VRF
+ systemd_override = cmd(f'cat {DDCLIENT_SYSTEMD_UNIT}')
+ self.assertIn(f'ExecStart=ip vrf exec {vrf_name} /usr/bin/ddclient -file {DDCLIENT_CONF}',
+ systemd_override)
+
+ # Check for process in VRF
+ proc = cmd(f'ip vrf pids {vrf_name}')
+ self.assertIn(DDCLIENT_PNAME, proc)
+
+ # Cleanup VRF
+ self.cli_delete(['vrf', 'name', vrf_name])
+
if __name__ == '__main__':
unittest.main(verbosity=2)
diff --git a/src/conf_mode/dns_dynamic.py b/src/conf_mode/dns_dynamic.py
index 4b1aed742..712889f68 100755
--- a/src/conf_mode/dns_dynamic.py
+++ b/src/conf_mode/dns_dynamic.py
@@ -1,134 +1,139 @@
#!/usr/bin/env python3
#
# Copyright (C) 2018-2023 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
from sys import exit
from vyos.config import Config
+from vyos.configverify import verify_interface_exists
from vyos.template import render
from vyos.utils.process import call
from vyos import ConfigError
from vyos import airbag
airbag.enable()
config_file = r'/run/ddclient/ddclient.conf'
systemd_override = r'/run/systemd/system/ddclient.service.d/override.conf'
# Protocols that require zone
zone_allowed = ['cloudflare', 'godaddy', 'hetzner', 'gandi', 'nfsn']
# Protocols that do not require username
username_unnecessary = ['1984', 'cloudflare', 'cloudns', 'duckdns', 'freemyip', 'hetzner', 'keysystems', 'njalla']
# Protocols that support both IPv4 and IPv6
dualstack_supported = ['cloudflare', 'dyndns2', 'freedns', 'njalla']
def get_config(config=None):
if config:
conf = config
else:
conf = Config()
base_level = ['service', 'dns', 'dynamic']
if not conf.exists(base_level):
return None
dyndns = conf.get_config_dict(base_level, key_mangling=('-', '_'),
no_tag_node_value_mangle=True,
get_first_key=True,
with_recursive_defaults=True)
dyndns['config_file'] = config_file
return dyndns
def verify(dyndns):
# bail out early - looks like removal from running config
if not dyndns or 'address' not in dyndns:
return None
for address in dyndns['address']:
+ # If dyndns address is an interface, ensure it exists
+ if address != 'web':
+ verify_interface_exists(address)
+
# RFC2136 - configuration validation
if 'rfc2136' in dyndns['address'][address]:
for config in dyndns['address'][address]['rfc2136'].values():
for field in ['host_name', 'zone', 'server', 'key']:
if field not in config:
raise ConfigError(f'"{field.replace("_", "-")}" is required for RFC2136 '
f'based Dynamic DNS service on "{address}"')
# Dynamic DNS service provider - configuration validation
if 'service' in dyndns['address'][address]:
for service, config in dyndns['address'][address]['service'].items():
error_msg = f'is required for Dynamic DNS service "{service}" on "{address}"'
for field in ['host_name', 'password', 'protocol']:
if field not in config:
raise ConfigError(f'"{field.replace("_", "-")}" {error_msg}')
if config['protocol'] in zone_allowed and 'zone' not in config:
raise ConfigError(f'"zone" {error_msg}')
if config['protocol'] not in zone_allowed and 'zone' in config:
raise ConfigError(f'"{config["protocol"]}" does not support "zone"')
if config['protocol'] not in username_unnecessary:
if 'username' not in config:
raise ConfigError(f'"username" {error_msg}')
if config['ip_version'] == 'both':
if config['protocol'] not in dualstack_supported:
raise ConfigError(f'"{config["protocol"]}" does not support '
f'both IPv4 and IPv6 at the same time')
# dyndns2 protocol in ddclient honors dual stack only for dyn.com (dyndns.org)
if config['protocol'] == 'dyndns2' and 'server' in config and config['server'] != 'members.dyndns.org':
raise ConfigError(f'"{config["protocol"]}" does not support '
f'both IPv4 and IPv6 at the same time for "{config["server"]}"')
return None
def generate(dyndns):
# bail out early - looks like removal from running config
if not dyndns or 'address' not in dyndns:
return None
render(config_file, 'dns-dynamic/ddclient.conf.j2', dyndns, permission=0o600)
render(systemd_override, 'dns-dynamic/override.conf.j2', dyndns)
return None
def apply(dyndns):
systemd_service = 'ddclient.service'
# Reload systemd manager configuration
call('systemctl daemon-reload')
# bail out early - looks like removal from running config
if not dyndns or 'address' not in dyndns:
call(f'systemctl stop {systemd_service}')
if os.path.exists(config_file):
os.unlink(config_file)
else:
call(f'systemctl reload-or-restart {systemd_service}')
return None
if __name__ == '__main__':
try:
c = get_config()
verify(c)
generate(c)
apply(c)
except ConfigError as e:
print(e)
exit(1)