summaryrefslogtreecommitdiff
path: root/src/conf_mode
diff options
context:
space:
mode:
authorChristian Poessinger <christian@poessinger.com>2020-04-11 19:14:11 +0200
committerChristian Poessinger <christian@poessinger.com>2020-04-11 19:14:11 +0200
commit867fc8d75380fee36dab7d495b835b19e7dafd58 (patch)
tree05a441f2cf0a3fb133465ef960550e59f3273039 /src/conf_mode
parentc27f13ab459ef5116eeac417d256abfabf2690c2 (diff)
parent0edca98b751faa3f3817fe4899d2822daade4212 (diff)
downloadvyos-1x-867fc8d75380fee36dab7d495b835b19e7dafd58.tar.gz
vyos-1x-867fc8d75380fee36dab7d495b835b19e7dafd58.zip
Merge branch 't2264-l2tp' of github.com:c-po/vyos-1x into current
* 't2264-l2tp' of github.com:c-po/vyos-1x: (25 commits) vpn: l2tp: sstp: T2264: create config dir on demand vpn: l2tp: T2264: migrate IPv6 prefix node to common CLI style vpn: l2tp: T2264: simplify IPv6 config dictionary elements vpn: sstp: T2008: migrate from SysVinit -> systemd vpn: sstp: T2008: bugfix KeyError 'client_gateway' vpn: l2tp: T2264: migrate from SysVinit -> systemd vpn: l2tp: T2264: remove debug pprint vpn: l2tp: T2264: proper set PPP default values to ease Jinja2 template vpn: l2tp: T2110: re-use RADIUS XML include file vpn: l2tp: T2264: remove RADIUS req-limit node vpn: l2tp: T2264: migrate to new dictionary keys for radius auth vpn: sstp: T2008: set accell default values in config dict vpn: l2tp: T2264: use "with open()" when writing config vpn: l2tp: T2264: migrate to new dictionary keys for local auth vpn: sstp: T2008: improve error message for non existent local-users vpn: l2tp: T2264: cleanup thread_cnt generation vpn: sstp: T2008: cleanup thread_cnt generation vpn: l2tp: T2264: combine WINS CLI syntax vpn: l2tp: T2264: combine IPv4/IPv6 name-server CLI syntax vpn: sstp: T2008: adjust DNS error message ...
Diffstat (limited to 'src/conf_mode')
-rwxr-xr-xsrc/conf_mode/accel_l2tp.py397
-rwxr-xr-xsrc/conf_mode/vpn_l2tp.py398
-rwxr-xr-xsrc/conf_mode/vpn_sstp.py112
3 files changed, 430 insertions, 477 deletions
diff --git a/src/conf_mode/accel_l2tp.py b/src/conf_mode/accel_l2tp.py
deleted file mode 100755
index 4ca5a858a..000000000
--- a/src/conf_mode/accel_l2tp.py
+++ /dev/null
@@ -1,397 +0,0 @@
-#!/usr/bin/env python3
-#
-# Copyright (C) 2019-2020 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 sys
-import os
-import re
-import jinja2
-import socket
-import time
-
-from jinja2 import FileSystemLoader, Environment
-
-from vyos.config import Config
-from vyos.defaults import directories as vyos_data_dir
-from vyos import ConfigError
-from vyos.util import run
-
-
-pidfile = r'/var/run/accel_l2tp.pid'
-l2tp_cnf_dir = r'/etc/accel-ppp/l2tp'
-chap_secrets = l2tp_cnf_dir + '/chap-secrets'
-l2tp_conf = l2tp_cnf_dir + '/l2tp.config'
-# accel-pppd -d -c /etc/accel-ppp/l2tp/l2tp.config -p /var/run/accel_l2tp.pid
-
-# config path creation
-if not os.path.exists(l2tp_cnf_dir):
- os.makedirs(l2tp_cnf_dir)
-
-###
-# inline helper functions
-###
-# depending on hw and threads, daemon needs a little to start
-# if it takes longer than 100 * 0.5 secs, exception is being raised
-# not sure if that's the best way to check it, but it worked so far quite well
-###
-
-
-def chk_con():
- cnt = 0
- s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
- while True:
- try:
- s.connect(("127.0.0.1", 2004))
- break
- except ConnectionRefusedError:
- time.sleep(0.5)
- cnt += 1
- if cnt == 100:
- raise("failed to start l2tp server")
- break
-
-
-def _accel_cmd(command):
- return run(f'/usr/bin/accel-cmd -p 2004 {command}')
-
-###
-# inline helper functions end
-###
-
-
-def get_config():
- c = Config()
- if not c.exists('vpn l2tp remote-access '):
- return None
-
- c.set_level('vpn l2tp remote-access')
- config_data = {
- 'authentication': {
- 'mode': 'local',
- 'local-users': {
- },
- 'radiussrv': {},
- 'radiusopt': {},
- 'auth_proto': [],
- 'mppe': 'prefer'
- },
- 'outside_addr': '',
- 'gateway_address': '10.255.255.0',
- 'dns': [],
- 'dnsv6': [],
- 'wins': [],
- 'client_ip_pool': None,
- 'client_ip_subnets': [],
- 'client_ipv6_pool': {},
- 'mtu': '1436',
- 'ip6_column': '',
- 'ip6_dp_column': '',
- 'ppp_options': {},
- }
-
- ### general options ###
-
- if c.exists('dns-servers server-1'):
- config_data['dns'].append(c.return_value('dns-servers server-1'))
- if c.exists('dns-servers server-2'):
- config_data['dns'].append(c.return_value('dns-servers server-2'))
- if c.exists('dnsv6-servers'):
- for dns6_server in c.return_values('dnsv6-servers'):
- config_data['dnsv6'].append(dns6_server)
- if c.exists('wins-servers server-1'):
- config_data['wins'].append(c.return_value('wins-servers server-1'))
- if c.exists('wins-servers server-2'):
- config_data['wins'].append(c.return_value('wins-servers server-2'))
- if c.exists('outside-address'):
- config_data['outside_addr'] = c.return_value('outside-address')
-
- # auth local
- if c.exists('authentication mode local'):
- if c.exists('authentication local-users username'):
- for usr in c.list_nodes('authentication local-users username'):
- config_data['authentication']['local-users'].update(
- {
- usr: {
- 'passwd': '',
- 'state': 'enabled',
- 'ip': '*',
- 'upload': None,
- 'download': None
- }
- }
- )
-
- if c.exists('authentication local-users username ' + usr + ' password'):
- config_data['authentication']['local-users'][usr]['passwd'] = c.return_value(
- 'authentication local-users username ' + usr + ' password')
- if c.exists('authentication local-users username ' + usr + ' disable'):
- config_data['authentication']['local-users'][usr]['state'] = 'disable'
- if c.exists('authentication local-users username ' + usr + ' static-ip'):
- config_data['authentication']['local-users'][usr]['ip'] = c.return_value(
- 'authentication local-users username ' + usr + ' static-ip')
- if c.exists('authentication local-users username ' + usr + ' rate-limit download'):
- config_data['authentication']['local-users'][usr]['download'] = c.return_value(
- 'authentication local-users username ' + usr + ' rate-limit download')
- if c.exists('authentication local-users username ' + usr + ' rate-limit upload'):
- config_data['authentication']['local-users'][usr]['upload'] = c.return_value(
- 'authentication local-users username ' + usr + ' rate-limit upload')
-
- # authentication mode radius servers and settings
-
- if c.exists('authentication mode radius'):
- config_data['authentication']['mode'] = 'radius'
- rsrvs = c.list_nodes('authentication radius server')
- for rsrv in rsrvs:
- if c.return_value('authentication radius server ' + rsrv + ' fail-time') == None:
- ftime = '0'
- else:
- ftime = str(c.return_value(
- 'authentication radius server ' + rsrv + ' fail-time'))
- if c.return_value('authentication radius-server ' + rsrv + ' req-limit') == None:
- reql = '0'
- else:
- reql = str(c.return_value(
- 'authentication radius server ' + rsrv + ' req-limit'))
-
- config_data['authentication']['radiussrv'].update(
- {
- rsrv: {
- 'secret': c.return_value('authentication radius server ' + rsrv + ' key'),
- 'fail-time': ftime,
- 'req-limit': reql
- }
- }
- )
- # Source ip address feature
- if c.exists('authentication radius source-address'):
- config_data['authentication']['radius_source_address'] = c.return_value(
- 'authentication radius source-address')
-
- # advanced radius-setting
- if c.exists('authentication radius acct-timeout'):
- config_data['authentication']['radiusopt']['acct-timeout'] = c.return_value(
- 'authentication radius acct-timeout')
- if c.exists('authentication radius max-try'):
- config_data['authentication']['radiusopt']['max-try'] = c.return_value(
- 'authentication radius max-try')
- if c.exists('authentication radius timeout'):
- config_data['authentication']['radiusopt']['timeout'] = c.return_value(
- 'authentication radius timeout')
- if c.exists('authentication radius nas-identifier'):
- config_data['authentication']['radiusopt']['nas-id'] = c.return_value(
- 'authentication radius nas-identifier')
- if c.exists('authentication radius dae-server'):
- # Set default dae-server port if not defined
- if c.exists('authentication radius dae-server port'):
- dae_server_port = c.return_value(
- 'authentication radius dae-server port')
- else:
- dae_server_port = "3799"
- config_data['authentication']['radiusopt'].update(
- {
- 'dae-srv': {
- 'ip-addr': c.return_value('authentication radius dae-server ip-address'),
- 'port': dae_server_port,
- 'secret': str(c.return_value('authentication radius dae-server secret'))
- }
- }
- )
- # filter-id is the internal accel default if attribute is empty
- # set here as default for visibility which may change in the future
- if c.exists('authentication radius rate-limit enable'):
- if not c.exists('authentication radius rate-limit attribute'):
- config_data['authentication']['radiusopt']['shaper'] = {
- 'attr': 'Filter-Id'
- }
- else:
- config_data['authentication']['radiusopt']['shaper'] = {
- 'attr': c.return_value('authentication radius rate-limit attribute')
- }
- if c.exists('authentication radius rate-limit vendor'):
- config_data['authentication']['radiusopt']['shaper']['vendor'] = c.return_value(
- 'authentication radius rate-limit vendor')
-
- if c.exists('client-ip-pool'):
- if c.exists('client-ip-pool start') and c.exists('client-ip-pool stop'):
- config_data['client_ip_pool'] = c.return_value(
- 'client-ip-pool start') + '-' + re.search('[0-9]+$', c.return_value('client-ip-pool stop')).group(0)
-
- if c.exists('client-ip-pool subnet'):
- config_data['client_ip_subnets'] = c.return_values(
- 'client-ip-pool subnet')
-
- if c.exists('client-ipv6-pool prefix'):
- config_data['client_ipv6_pool']['prefix'] = c.return_values(
- 'client-ipv6-pool prefix')
- config_data['ip6_column'] = 'ip6,'
- if c.exists('client-ipv6-pool delegate-prefix'):
- config_data['client_ipv6_pool']['delegate_prefix'] = c.return_values(
- 'client-ipv6-pool delegate-prefix')
- config_data['ip6_dp_column'] = 'ip6-dp,'
-
- if c.exists('mtu'):
- config_data['mtu'] = c.return_value('mtu')
-
- # gateway address
- if c.exists('gateway-address'):
- config_data['gateway_address'] = c.return_value('gateway-address')
- else:
- # calculate gw-ip-address
- if c.exists('client-ip-pool start'):
- # use start ip as gw-ip-address
- config_data['gateway_address'] = c.return_value(
- 'client-ip-pool start')
- elif c.exists('client-ip-pool subnet'):
- # use first ip address from first defined pool
- lst_ip = re.findall("\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}", c.return_values(
- 'client-ip-pool subnet')[0])
- config_data['gateway_address'] = lst_ip[0]
-
- if c.exists('authentication require'):
- auth_mods = {'pap': 'pap', 'chap': 'auth_chap_md5',
- 'mschap': 'auth_mschap_v1', 'mschap-v2': 'auth_mschap_v2'}
- for proto in c.return_values('authentication require'):
- config_data['authentication']['auth_proto'].append(
- auth_mods[proto])
- else:
- config_data['authentication']['auth_proto'] = ['auth_mschap_v2']
-
- if c.exists('authentication mppe'):
- config_data['authentication']['mppe'] = c.return_value(
- 'authentication mppe')
-
- if c.exists('idle'):
- config_data['idle_timeout'] = c.return_value('idle')
-
- # LNS secret
- if c.exists('lns shared-secret'):
- config_data['lns_shared_secret'] = c.return_value('lns shared-secret')
-
- if c.exists('ccp-disable'):
- config_data['ccp_disable'] = True
-
- # ppp_options
- ppp_options = {}
- if c.exists('ppp-options'):
- if c.exists('ppp-options lcp-echo-failure'):
- ppp_options['lcp-echo-failure'] = c.return_value(
- 'ppp-options lcp-echo-failure')
- if c.exists('ppp-options lcp-echo-interval'):
- ppp_options['lcp-echo-interval'] = c.return_value(
- 'ppp-options lcp-echo-interval')
-
- if len(ppp_options) != 0:
- config_data['ppp_options'] = ppp_options
-
- return config_data
-
-
-def verify(c):
- if c == None:
- return None
-
- if c['authentication']['mode'] == 'local':
- if not c['authentication']['local-users']:
- raise ConfigError(
- 'l2tp-server authentication local-users required')
- for usr in c['authentication']['local-users']:
- if not c['authentication']['local-users'][usr]['passwd']:
- raise ConfigError('user ' + usr + ' requires a password')
-
- if c['authentication']['mode'] == 'radius':
- if len(c['authentication']['radiussrv']) == 0:
- raise ConfigError('radius server required')
- for rsrv in c['authentication']['radiussrv']:
- if c['authentication']['radiussrv'][rsrv]['secret'] == None:
- raise ConfigError('radius server ' + rsrv +
- ' needs a secret configured')
-
- # check for the existence of a client ip pool
- if not c['client_ip_pool'] and not c['client_ip_subnets']:
- raise ConfigError(
- "set vpn l2tp remote-access client-ip-pool requires subnet or start/stop IP pool")
-
- # check ipv6
- if 'delegate_prefix' in c['client_ipv6_pool'] and not 'prefix' in c['client_ipv6_pool']:
- raise ConfigError(
- "\"set vpn l2tp remote-access client-ipv6-pool prefix\" required for delegate-prefix ")
-
- if len(c['dnsv6']) > 3:
- raise ConfigError("Maximum allowed dnsv6-servers addresses is 3")
-
-
-def generate(c):
- if c == None:
- return None
-
- # Prepare Jinja2 template loader from files
- tmpl_path = os.path.join(vyos_data_dir['data'], 'templates', 'l2tp')
- fs_loader = FileSystemLoader(tmpl_path)
- env = Environment(loader=fs_loader, trim_blocks=True)
-
- # accel-cmd reload doesn't work so any change results in a restart of the daemon
- try:
- if os.cpu_count() == 1:
- c['thread_cnt'] = 1
- else:
- c['thread_cnt'] = int(os.cpu_count()/2)
- except KeyError:
- if os.cpu_count() == 1:
- c['thread_cnt'] = 1
- else:
- c['thread_cnt'] = int(os.cpu_count()/2)
-
- tmpl = env.get_template('l2tp.config.tmpl')
- config_text = tmpl.render(c)
- open(l2tp_conf, 'w').write(config_text)
-
- if c['authentication']['local-users']:
- tmpl = env.get_template('chap-secrets.tmpl')
- chap_secrets_txt = tmpl.render(c)
- old_umask = os.umask(0o077)
- open(chap_secrets, 'w').write(chap_secrets_txt)
- os.umask(old_umask)
-
- return c
-
-
-def apply(c):
- if c == None:
- if os.path.exists(pidfile):
- _accel_cmd('shutdown hard')
- if os.path.exists(pidfile):
- os.remove(pidfile)
- return None
-
- if not os.path.exists(pidfile):
- ret = run(f'/usr/sbin/accel-pppd -c {l2tp_conf} -p {pidfile} -d')
- chk_con()
- if ret != 0 and os.path.exists(pidfile):
- os.remove(pidfile)
- raise ConfigError('accel-pppd failed to start')
- else:
- # if gw ip changes, only restart doesn't work
- _accel_cmd('restart')
-
-
-if __name__ == '__main__':
- try:
- c = get_config()
- verify(c)
- generate(c)
- apply(c)
- except ConfigError as e:
- print(e)
- sys.exit(1)
diff --git a/src/conf_mode/vpn_l2tp.py b/src/conf_mode/vpn_l2tp.py
new file mode 100755
index 000000000..7ecd8b2a4
--- /dev/null
+++ b/src/conf_mode/vpn_l2tp.py
@@ -0,0 +1,398 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2019-2020 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 re
+
+from copy import deepcopy
+from stat import S_IRUSR, S_IWUSR, S_IRGRP
+from sys import exit
+from time import sleep
+
+from ipaddress import ip_network
+from jinja2 import FileSystemLoader, Environment
+
+from vyos.config import Config
+from vyos.defaults import directories as vyos_data_dir
+from vyos.util import call
+from vyos.validate import is_ipv4
+from vyos import ConfigError
+
+l2tp_conf = '/etc/accel-ppp/l2tp.conf'
+l2tp_chap_secrets = '/etc/accel-ppp/l2tp.chap-secrets'
+
+default_config_data = {
+ 'auth_mode': 'local',
+ 'auth_ppp_mppe': 'prefer',
+ 'auth_proto': ['auth_mschap_v2'],
+ 'chap_secrets_file': l2tp_chap_secrets, # used in Jinja2 template
+ 'client_ip_pool': None,
+ 'client_ip_subnets': [],
+ 'client_ipv6_pool': [],
+ 'client_ipv6_delegate_prefix': [],
+ 'dnsv4': [],
+ 'dnsv6': [],
+ 'gateway_address': '10.255.255.0',
+ 'local_users' : [],
+ 'mtu': '1436',
+ 'outside_addr': '',
+ 'ppp_mppe': 'prefer',
+ 'ppp_echo_failure' : '3',
+ 'ppp_echo_interval' : '30',
+ 'ppp_echo_timeout': '0',
+ 'radius_server': [],
+ 'radius_acct_tmo': '3',
+ 'radius_max_try': '3',
+ 'radius_timeout': '3',
+ 'radius_nas_id': '',
+ 'radius_nas_ip': '',
+ 'radius_source_address': '',
+ 'radius_shaper_attr': '',
+ 'radius_shaper_vendor': '',
+ 'radius_dynamic_author': '',
+ 'wins': [],
+ 'ip6_column': [],
+ 'thread_cnt': 1
+}
+
+def get_config():
+ conf = Config()
+ base_path = ['vpn', 'l2tp', 'remote-access']
+ if not conf.exists(base_path):
+ return None
+
+ conf.set_level(base_path)
+ l2tp = deepcopy(default_config_data)
+
+ cpu = os.cpu_count()
+ if cpu > 1:
+ l2tp['thread_cnt'] = int(cpu/2)
+
+ ### general options ###
+ if conf.exists(['name-server']):
+ for name_server in conf.return_values(['name-server']):
+ if is_ipv4(name_server):
+ l2tp['dnsv4'].append(name_server)
+ else:
+ l2tp['dnsv6'].append(name_server)
+
+ if conf.exists(['wins-server']):
+ l2tp['wins'] = conf.return_values(['wins-server'])
+
+ if conf.exists('outside-address'):
+ l2tp['outside_addr'] = conf.return_value('outside-address')
+
+ if conf.exists(['authentication', 'mode']):
+ l2tp['auth_mode'] = conf.return_value(['authentication', 'mode'])
+
+ if conf.exists(['authentication', 'protocols']):
+ auth_mods = {
+ 'pap': 'auth_pap',
+ 'chap': 'auth_chap_md5',
+ 'mschap': 'auth_mschap_v1',
+ 'mschap-v2': 'auth_mschap_v2'
+ }
+
+ for proto in conf.return_values(['authentication', 'protocols']):
+ l2tp['auth_proto'].append(auth_mods[proto])
+
+ if conf.exists(['authentication', 'mppe']):
+ l2tp['auth_ppp_mppe'] = conf.return_value(['authentication', 'mppe'])
+
+ #
+ # local auth
+ if conf.exists(['authentication', 'local-users']):
+ for username in conf.list_nodes(['authentication', 'local-users', 'username']):
+ user = {
+ 'name' : username,
+ 'password' : '',
+ 'state' : 'enabled',
+ 'ip' : '*',
+ 'upload' : None,
+ 'download' : None
+ }
+
+ conf.set_level(base_path + ['authentication', 'local-users', 'username', username])
+
+ if conf.exists(['password']):
+ user['password'] = conf.return_value(['password'])
+
+ if conf.exists(['disable']):
+ user['state'] = 'disable'
+
+ if conf.exists(['static-ip']):
+ user['ip'] = conf.return_value(['static-ip'])
+
+ if conf.exists(['rate-limit', 'download']):
+ user['download'] = conf.return_value(['rate-limit', 'download'])
+
+ if conf.exists(['rate-limit', 'upload']):
+ user['upload'] = conf.return_value(['rate-limit', 'upload'])
+
+ l2tp['local_users'].append(user)
+
+ #
+ # RADIUS auth and settings
+ conf.set_level(base_path + ['authentication', 'radius'])
+ if conf.exists(['server']):
+ for server in conf.list_nodes(['server']):
+ radius = {
+ 'server' : server,
+ 'key' : '',
+ 'fail_time' : 0,
+ 'port' : '1812'
+ }
+
+ conf.set_level(base_path + ['authentication', 'radius', 'server', server])
+
+ if conf.exists(['fail-time']):
+ radius['fail-time'] = conf.return_value(['fail-time'])
+
+ if conf.exists(['port']):
+ radius['port'] = conf.return_value(['port'])
+
+ if conf.exists(['key']):
+ radius['key'] = conf.return_value(['key'])
+
+ if not conf.exists(['disable']):
+ l2tp['radius_server'].append(radius)
+
+ #
+ # advanced radius-setting
+ conf.set_level(base_path + ['authentication', 'radius'])
+
+ if conf.exists(['acct-timeout']):
+ l2tp['radius_acct_tmo'] = conf.return_value(['acct-timeout'])
+
+ if conf.exists(['max-try']):
+ l2tp['radius_max_try'] = conf.return_value(['max-try'])
+
+ if conf.exists(['timeout']):
+ l2tp['radius_timeout'] = conf.return_value(['timeout'])
+
+ if conf.exists(['nas-identifier']):
+ l2tp['radius_nas_id'] = conf.return_value(['nas-identifier'])
+
+ if conf.exists(['nas-ip-address']):
+ l2tp['radius_nas_ip'] = conf.return_value(['nas-ip-address'])
+
+ if conf.exists(['source-address']):
+ l2tp['radius_source_address'] = conf.return_value(['source-address'])
+
+ # Dynamic Authorization Extensions (DOA)/Change Of Authentication (COA)
+ if conf.exists(['dynamic-author']):
+ dae = {
+ 'port' : '',
+ 'server' : '',
+ 'key' : ''
+ }
+
+ if conf.exists(['dynamic-author', 'server']):
+ dae['server'] = conf.return_value(['dynamic-author', 'server'])
+
+ if conf.exists(['dynamic-author', 'port']):
+ dae['port'] = conf.return_value(['dynamic-author', 'port'])
+
+ if conf.exists(['dynamic-author', 'key']):
+ dae['key'] = conf.return_value(['dynamic-author', 'key'])
+
+ l2tp['radius_dynamic_author'] = dae
+
+ if conf.exists(['rate-limit', 'enable']):
+ l2tp['radius_shaper_attr'] = 'Filter-Id'
+ c_attr = ['rate-limit', 'enable', 'attribute']
+ if conf.exists(c_attr):
+ l2tp['radius_shaper_attr'] = conf.return_value(c_attr)
+
+ c_vendor = ['rate-limit', 'enable', 'vendor']
+ if conf.exists(c_vendor):
+ l2tp['radius_shaper_vendor'] = conf.return_value(c_vendor)
+
+ conf.set_level(base_path)
+ if conf.exists(['client-ip-pool']):
+ if conf.exists(['client-ip-pool', 'start']) and conf.exists(['client-ip-pool', 'stop']):
+ start = conf.return_value(['client-ip-pool', 'start'])
+ stop = conf.return_value(['client-ip-pool', 'stop'])
+ l2tp['client_ip_pool'] = start + '-' + re.search('[0-9]+$', stop).group(0)
+
+ if conf.exists(['client-ip-pool', 'subnet']):
+ l2tp['client_ip_subnets'] = conf.return_values(['client-ip-pool', 'subnet'])
+
+ if conf.exists(['client-ipv6-pool', 'prefix']):
+ l2tp['ip6_column'].append('ip6')
+ for prefix in conf.list_nodes(['client-ipv6-pool', 'prefix']):
+ tmp = {
+ 'prefix': prefix,
+ 'mask': '64'
+ }
+
+ if conf.exists(['client-ipv6-pool', 'prefix', prefix, 'mask']):
+ tmp['mask'] = conf.return_value(['client-ipv6-pool', 'prefix', prefix, 'mask'])
+
+ l2tp['client_ipv6_pool'].append(tmp)
+
+ if conf.exists(['client-ipv6-pool', 'delegate']):
+ l2tp['ip6_column'].append('ip6-db')
+ for prefix in conf.list_nodes(['client-ipv6-pool', 'delegate']):
+ tmp = {
+ 'prefix': prefix,
+ 'mask': ''
+ }
+
+ if conf.exists(['client-ipv6-pool', 'delegate', prefix, 'mask']):
+ tmp['mask'] = conf.return_value(['client-ipv6-pool', 'delegate', prefix, 'delegation-prefix'])
+
+ l2tp['client_ipv6_delegate_prefix'].append(tmp)
+
+ if conf.exists(['mtu']):
+ l2tp['mtu'] = conf.return_value(['mtu'])
+
+ # gateway address
+ if conf.exists(['gateway-address']):
+ l2tp['gateway_address'] = conf.return_value(['gateway-address'])
+ else:
+ # calculate gw-ip-address
+ if conf.exists(['client-ip-pool', 'start']):
+ # use start ip as gw-ip-address
+ l2tp['gateway_address'] = conf.return_value(['client-ip-pool', 'start'])
+
+ elif conf.exists(['client-ip-pool', 'subnet']):
+ # use first ip address from first defined pool
+ subnet = conf.return_values(['client-ip-pool', 'subnet'])[0]
+ subnet = ip_network(subnet)
+ l2tp['gateway_address'] = str(list(subnet.hosts())[0])
+
+ # LNS secret
+ if conf.exists(['lns', 'shared-secret']):
+ l2tp['lns_shared_secret'] = conf.return_value(['lns', 'shared-secret'])
+
+ if conf.exists(['ccp-disable']):
+ l2tp[['ccp_disable']] = True
+
+ # PPP options
+ if conf.exists(['idle']):
+ l2tp['ppp_echo_timeout'] = conf.return_value(['idle'])
+
+ if conf.exists(['ppp-options', 'lcp-echo-failure']):
+ l2tp['ppp_echo_failure'] = conf.return_value(['ppp-options', 'lcp-echo-failure'])
+
+ if conf.exists(['ppp-options', 'lcp-echo-interval']):
+ l2tp['ppp_echo_interval'] = conf.return_value(['ppp-options', 'lcp-echo-interval'])
+
+ return l2tp
+
+
+def verify(l2tp):
+ if not l2tp:
+ return None
+
+ if l2tp['auth_mode'] == 'local':
+ if not l2tp['local_users']:
+ raise ConfigError('L2TP local auth mode requires local users to be configured!')
+
+ for user in l2tp['local_users']:
+ if not user['password']:
+ raise ConfigError(f"Password required for user {user['name']}")
+
+ elif l2tp['auth_mode'] == 'radius':
+ if len(l2tp['radius_server']) == 0:
+ raise ConfigError("RADIUS authentication requires at least one server")
+
+ for radius in l2tp['radius_server']:
+ if not radius['key']:
+ raise ConfigError(f"Missing RADIUS secret for server {{ radius['key'] }}")
+
+ # check for the existence of a client ip pool
+ if not (l2tp['client_ip_pool'] or l2tp['client_ip_subnets']):
+ raise ConfigError(
+ "set vpn l2tp remote-access client-ip-pool requires subnet or start/stop IP pool")
+
+ # check ipv6
+ if l2tp['client_ipv6_delegate_prefix'] and not l2tp['client_ipv6_pool']:
+ raise ConfigError('IPv6 prefix delegation requires client-ipv6-pool prefix')
+
+ for prefix in l2tp['client_ipv6_delegate_prefix']:
+ if not prefix['mask']:
+ raise ConfigError('Delegation-prefix required for individual delegated networks')
+
+ if len(l2tp['wins']) > 2:
+ raise ConfigError('Not more then two IPv4 WINS name-servers can be configured')
+
+ if len(l2tp['dnsv4']) > 2:
+ raise ConfigError('Not more then two IPv4 DNS name-servers can be configured')
+
+ if len(l2tp['dnsv6']) > 3:
+ raise ConfigError('Not more then three IPv6 DNS name-servers can be configured')
+
+ return None
+
+
+def generate(l2tp):
+ if not l2tp:
+ return None
+
+ # Prepare Jinja2 template loader from files
+ tmpl_path = os.path.join(vyos_data_dir['data'], 'templates', 'l2tp')
+ fs_loader = FileSystemLoader(tmpl_path)
+ env = Environment(loader=fs_loader, trim_blocks=True)
+
+ dirname = os.path.dirname(l2tp_conf)
+ if not os.path.exists(dirname):
+ os.mkdir(dirname)
+
+ tmpl = env.get_template('l2tp.config.tmpl')
+ config_text = tmpl.render(c)
+ with open(l2tp_conf, 'w') as f:
+ f.write(config_text)
+
+ if l2tp['auth_mode'] == 'local':
+ tmpl = env.get_template('chap-secrets.tmpl')
+ config_text = tmpl.render(l2tp)
+ with open(l2tp_chap_secrets, 'w') as f:
+ f.write(config_text)
+
+ os.chmod(l2tp_chap_secrets, S_IRUSR | S_IWUSR | S_IRGRP)
+
+ else:
+ if os.path.exists(l2tp_chap_secrets):
+ os.unlink(l2tp_chap_secrets)
+
+ return None
+
+
+def apply(l2tp):
+ if not l2tp:
+ call('systemctl stop accel-ppp-l2tp.service')
+
+ if os.path.exists(l2tp_conf):
+ os.unlink(l2tp_conf)
+
+ if os.path.exists(l2tp_chap_secrets):
+ os.unlink(l2tp_chap_secrets)
+
+ return None
+
+ call('systemctl restart accel-ppp-l2tp.service')
+
+if __name__ == '__main__':
+ try:
+ c = get_config()
+ verify(c)
+ generate(c)
+ apply(c)
+ except ConfigError as e:
+ print(e)
+ exit(1)
diff --git a/src/conf_mode/vpn_sstp.py b/src/conf_mode/vpn_sstp.py
index ca0844c50..b2eb5bdcb 100755
--- a/src/conf_mode/vpn_sstp.py
+++ b/src/conf_mode/vpn_sstp.py
@@ -18,7 +18,6 @@ import os
from time import sleep
from sys import exit
-from socket import socket, AF_INET, SOCK_STREAM
from copy import deepcopy
from stat import S_IRUSR, S_IWUSR, S_IRGRP
from jinja2 import FileSystemLoader, Environment
@@ -26,41 +25,17 @@ from jinja2 import FileSystemLoader, Environment
from vyos.config import Config
from vyos import ConfigError
from vyos.defaults import directories as vyos_data_dir
-from vyos.util import process_running
-from vyos.util import process_running, cmd, run
-
-pidfile = r'/var/run/accel_sstp.pid'
-sstp_cnf_dir = r'/etc/accel-ppp/sstp'
-chap_secrets = sstp_cnf_dir + '/chap-secrets'
-sstp_conf = sstp_cnf_dir + '/sstp.config'
-
-# config path creation
-if not os.path.exists(sstp_cnf_dir):
- os.makedirs(sstp_cnf_dir)
-
-def chk_con():
- cnt = 0
- s = socket(AF_INET, SOCK_STREAM)
- while True:
- try:
- s.connect(("127.0.0.1", 2005))
- s.close()
- break
- except ConnectionRefusedError:
- sleep(0.5)
- cnt += 1
- if cnt == 100:
- raise("failed to start sstp server")
- break
-
-
-def _accel_cmd(command):
- return run(f'/usr/bin/accel-cmd -p 2005 {command}')
+from vyos.util import call, run
+
+sstp_conf = '/etc/accel-ppp/sstp.conf'
+sstp_chap_secrets = '/etc/accel-ppp/sstp.chap-secrets'
default_config_data = {
'local_users' : [],
'auth_mode' : 'local',
- 'auth_proto' : [],
+ 'auth_proto' : ['auth_mschap_v2'],
+ 'chap_secrets_file': sstp_chap_secrets, # used in Jinja2 template
+ 'client_gateway': '',
'radius_server' : [],
'radius_acct_tmo' : '3',
'radius_max_try' : '3',
@@ -77,11 +52,11 @@ default_config_data = {
'client_ip_pool' : [],
'dnsv4' : [],
'mtu' : '',
- 'ppp_mppe' : '',
+ 'ppp_mppe' : 'prefer',
'ppp_echo_failure' : '',
'ppp_echo_interval' : '',
'ppp_echo_timeout' : '',
- 'thread_cnt' : ''
+ 'thread_cnt' : 1
}
def get_config():
@@ -93,10 +68,9 @@ def get_config():
conf.set_level(base_path)
- cpu = int(os.cpu_count()/2)
- if cpu < 1:
- cpu = 1
- sstp['thread_cnt'] = cpu
+ cpu = os.cpu_count()
+ if cpu > 1:
+ sstp['thread_cnt'] = int(cpu/2)
if conf.exists(['authentication', 'mode']):
sstp['auth_mode'] = conf.return_value(['authentication', 'mode'])
@@ -224,9 +198,6 @@ def get_config():
for proto in conf.return_values(['protocols']):
sstp['auth_proto'].append(auth_mods[proto])
- else:
- sstp['auth_proto'] = ['auth_mschap_v2']
-
#
# read in SSL certs
conf.set_level(base_path + ['ssl'])
@@ -262,7 +233,7 @@ def get_config():
# read in PPP stuff
conf.set_level(base_path + ['ppp-settings'])
if conf.exists('mppe'):
- sstp['ppp_mppe'] = conf.return_value('ppp-settings mppe')
+ sstp['ppp_mppe'] = conf.return_value(['ppp-settings', 'mppe'])
if conf.exists(['lcp-echo-failure']):
sstp['ppp_echo_failure'] = conf.return_value(['lcp-echo-failure'])
@@ -283,7 +254,7 @@ def verify(sstp):
# vertify auth settings
if sstp['auth_mode'] == 'local':
if not sstp['local_users']:
- raise ConfigError('sstp-server authentication local-users required')
+ raise ConfigError('SSTP local auth mode requires local users to be configured!')
for user in sstp['local_users']:
if not user['password']:
@@ -303,7 +274,7 @@ def verify(sstp):
raise ConfigError("Client gateway IP address required")
if len(sstp['dnsv4']) > 2:
- raise ConfigError("Only 2 DNS name-servers can be configured")
+ raise ConfigError('Not more then two IPv4 DNS name-servers can be configured')
if not sstp['ssl_ca'] or not sstp['ssl_cert'] or not sstp['ssl_key']:
raise ConfigError('One or more SSL certificates missing')
@@ -334,6 +305,10 @@ def generate(sstp):
fs_loader = FileSystemLoader(tmpl_path)
env = Environment(loader=fs_loader, trim_blocks=True)
+ dirname = os.path.dirname(sstp_conf)
+ if not os.path.exists(dirname):
+ os.mkdir(dirname)
+
# accel-cmd reload doesn't work so any change results in a restart of the daemon
tmpl = env.get_template('sstp.config.tmpl')
config_text = tmpl.render(sstp)
@@ -343,52 +318,29 @@ def generate(sstp):
if sstp['local_users']:
tmpl = env.get_template('chap-secrets.tmpl')
config_text = tmpl.render(sstp)
- with open(chap_secrets, 'w') as f:
- f.write(config_text)
+ with open(sstp_chap_secrets, 'w') as f:
+ f.write(sstp_chap_secrets)
- os.chmod(chap_secrets, S_IRUSR | S_IWUSR | S_IRGRP)
+ os.chmod(sstp_chap_secrets, S_IRUSR | S_IWUSR | S_IRGRP)
else:
- if os.path.exists(chap_secrets):
- os.unlink(chap_secrets)
+ if os.path.exists(sstp_chap_secrets):
+ os.unlink(sstp_chap_secrets)
return sstp
def apply(sstp):
- if sstp is None:
- if process_running(pidfile):
- command = 'start-stop-daemon'
- command += ' --stop '
- command += ' --quiet'
- command += ' --oknodo'
- command += ' --pidfile ' + pidfile
- cmd(command)
+ if not sstp:
+ call('systemctl stop accel-ppp-sstp.service')
- if os.path.exists(pidfile):
- os.remove(pidfile)
+ if os.path.exists(sstp_conf):
+ os.unlink(sstp_conf)
- return None
+ if os.path.exists(sstp_chap_secrets):
+ os.unlink(sstp_chap_secrets)
- if not process_running(pidfile):
- if os.path.exists(pidfile):
- os.remove(pidfile)
-
- command = 'start-stop-daemon'
- command += ' --start '
- command += ' --quiet'
- command += ' --oknodo'
- command += ' --pidfile ' + pidfile
- command += ' --exec /usr/sbin/accel-pppd'
- # now pass arguments to accel-pppd binary
- command += ' --'
- command += ' -c ' + sstp_conf
- command += ' -p ' + pidfile
- command += ' -d'
- cmd(command)
-
- chk_con()
+ return None
- else:
- _accel_cmd('restart')
+ call('systemctl restart accel-ppp-sstp.service')
if __name__ == '__main__':