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authorChristian Poessinger <christian@poessinger.com>2020-04-10 18:32:33 +0200
committerChristian Poessinger <christian@poessinger.com>2020-04-11 11:25:13 +0200
commitf35cf88ec4c63ba8510bbccbbb60bacc16d02aa5 (patch)
treef7165a46545e04389b67d3382f6d56feb3ec3bc1 /src/conf_mode/accel_l2tp.py
parent2c8c3117093b4e975461c2cf1c15a0d7fc4654cf (diff)
downloadvyos-1x-f35cf88ec4c63ba8510bbccbbb60bacc16d02aa5.tar.gz
vyos-1x-f35cf88ec4c63ba8510bbccbbb60bacc16d02aa5.zip
vpn: l2tp: T2264: rename files to match CLI levels
Diffstat (limited to 'src/conf_mode/accel_l2tp.py')
-rwxr-xr-xsrc/conf_mode/accel_l2tp.py397
1 files changed, 0 insertions, 397 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)