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path: root/src/conf_mode/vpn_sstp.py
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Diffstat (limited to 'src/conf_mode/vpn_sstp.py')
-rwxr-xr-xsrc/conf_mode/vpn_sstp.py346
1 files changed, 36 insertions, 310 deletions
diff --git a/src/conf_mode/vpn_sstp.py b/src/conf_mode/vpn_sstp.py
index 3eece1922..2597ba42f 100755
--- a/src/conf_mode/vpn_sstp.py
+++ b/src/conf_mode/vpn_sstp.py
@@ -16,340 +16,66 @@
import os
-from time import sleep
from sys import exit
-from copy import deepcopy
-from stat import S_IRUSR, S_IWUSR, S_IRGRP
from vyos.config import Config
+from vyos.configdict import get_accel_dict
+from vyos.configverify import verify_accel_ppp_base_service
from vyos.template import render
-from vyos.util import call, run, get_half_cpus
-from vyos.validate import is_ipv4
+from vyos.util import call
+from vyos.util import vyos_dict_search
from vyos import ConfigError
-
from vyos import airbag
airbag.enable()
sstp_conf = '/run/accel-pppd/sstp.conf'
sstp_chap_secrets = '/run/accel-pppd/sstp.chap-secrets'
-default_config_data = {
- 'local_users' : [],
- 'auth_mode' : 'local',
- 'auth_proto' : ['auth_mschap_v2'],
- 'chap_secrets_file': sstp_chap_secrets, # used in Jinja2 template
- 'client_ip_pool' : [],
- 'client_ipv6_pool': [],
- 'client_ipv6_delegate_prefix': [],
- 'client_gateway': '',
- 'dnsv4' : [],
- 'dnsv6' : [],
- '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' : '',
- 'ssl_ca' : '',
- 'ssl_cert' : '',
- 'ssl_key' : '',
- 'mtu' : '',
- 'ppp_mppe' : 'prefer',
- 'ppp_echo_failure' : '',
- 'ppp_echo_interval' : '',
- 'ppp_echo_timeout' : '',
- 'thread_cnt' : get_half_cpus()
-}
-
def get_config(config=None):
- sstp = deepcopy(default_config_data)
- base_path = ['vpn', 'sstp']
if config:
conf = config
else:
conf = Config()
- if not conf.exists(base_path):
+ base = ['vpn', 'sstp']
+ if not conf.exists(base):
return None
- conf.set_level(base_path)
-
- if conf.exists(['authentication', 'mode']):
- sstp['auth_mode'] = conf.return_value(['authentication', 'mode'])
-
- #
- # 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'])
-
- sstp['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',
- 'acct_port' : '1813'
- }
-
- 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(['acct-port']):
- radius['acct_port'] = conf.return_value(['acct-port'])
-
- if conf.exists(['key']):
- radius['key'] = conf.return_value(['key'])
-
- if not conf.exists(['disable']):
- sstp['radius_server'].append(radius)
-
- #
- # advanced radius-setting
- conf.set_level(base_path + ['authentication', 'radius'])
-
- if conf.exists(['acct-timeout']):
- sstp['radius_acct_tmo'] = conf.return_value(['acct-timeout'])
-
- if conf.exists(['max-try']):
- sstp['radius_max_try'] = conf.return_value(['max-try'])
-
- if conf.exists(['timeout']):
- sstp['radius_timeout'] = conf.return_value(['timeout'])
-
- if conf.exists(['nas-identifier']):
- sstp['radius_nas_id'] = conf.return_value(['nas-identifier'])
-
- if conf.exists(['nas-ip-address']):
- sstp['radius_nas_ip'] = conf.return_value(['nas-ip-address'])
-
- if conf.exists(['source-address']):
- sstp['radius_source_address'] = conf.return_value(['source-address'])
-
- # Dynamic Authorization Extensions (DOA)/Change Of Authentication (COA)
- if conf.exists(['dynamic-author']):
- dae = {
- 'port' : '1700',
- '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'])
-
- sstp['radius_dynamic_author'] = dae
-
- if conf.exists(['rate-limit', 'enable']):
- sstp['radius_shaper_attr'] = 'Filter-Id'
- c_attr = ['rate-limit', 'enable', 'attribute']
- if conf.exists(c_attr):
- sstp['radius_shaper_attr'] = conf.return_value(c_attr)
-
- c_vendor = ['rate-limit', 'enable', 'vendor']
- if conf.exists(c_vendor):
- sstp['radius_shaper_vendor'] = conf.return_value(c_vendor)
-
- #
- # authentication protocols
- conf.set_level(base_path + ['authentication'])
- if conf.exists(['protocols']):
- # clear default list content, now populate with actual CLI values
- sstp['auth_proto'] = []
- auth_mods = {
- 'pap': 'auth_pap',
- 'chap': 'auth_chap_md5',
- 'mschap': 'auth_mschap_v1',
- 'mschap-v2': 'auth_mschap_v2'
- }
-
- for proto in conf.return_values(['protocols']):
- sstp['auth_proto'].append(auth_mods[proto])
-
- #
- # read in SSL certs
- conf.set_level(base_path + ['ssl'])
- if conf.exists(['ca-cert-file']):
- sstp['ssl_ca'] = conf.return_value(['ca-cert-file'])
-
- if conf.exists(['cert-file']):
- sstp['ssl_cert'] = conf.return_value(['cert-file'])
-
- if conf.exists(['key-file']):
- sstp['ssl_key'] = conf.return_value(['key-file'])
-
-
- #
- # read in client IPv4 pool
- conf.set_level(base_path + ['client-ip-pool'])
- if conf.exists(['subnet']):
- sstp['client_ip_pool'] = conf.return_values(['subnet'])
-
- #
- # read in client IPv6 pool
- conf.set_level(base_path + ['client-ipv6-pool'])
- if conf.exists(['prefix']):
- for prefix in conf.list_nodes(['prefix']):
- tmp = {
- 'prefix': prefix,
- 'mask': '64'
- }
-
- if conf.exists(['prefix', prefix, 'mask']):
- tmp['mask'] = conf.return_value(['prefix', prefix, 'mask'])
-
- sstp['client_ipv6_pool'].append(tmp)
-
- if conf.exists(['delegate']):
- for prefix in conf.list_nodes(['delegate']):
- tmp = {
- 'prefix': prefix,
- 'mask': ''
- }
-
- if conf.exists(['delegate', prefix, 'delegation-prefix']):
- tmp['mask'] = conf.return_value(['delegate', prefix, 'delegation-prefix'])
-
- sstp['client_ipv6_delegate_prefix'].append(tmp)
-
- #
- # read in network settings
- conf.set_level(base_path)
- if conf.exists(['gateway-address']):
- sstp['client_gateway'] = conf.return_value(['gateway-address'])
-
- if conf.exists(['name-server']):
- for name_server in conf.return_values(['name-server']):
- if is_ipv4(name_server):
- sstp['dnsv4'].append(name_server)
- else:
- sstp['dnsv6'].append(name_server)
-
- if conf.exists(['mtu']):
- sstp['mtu'] = conf.return_value(['mtu'])
-
- #
- # read in PPP stuff
- conf.set_level(base_path + ['ppp-options'])
- if conf.exists('mppe'):
- sstp['ppp_mppe'] = conf.return_value(['mppe'])
-
- if conf.exists(['lcp-echo-failure']):
- sstp['ppp_echo_failure'] = conf.return_value(['lcp-echo-failure'])
-
- if conf.exists(['lcp-echo-interval']):
- sstp['ppp_echo_interval'] = conf.return_value(['lcp-echo-interval'])
-
- if conf.exists(['lcp-echo-timeout']):
- sstp['ppp_echo_timeout'] = conf.return_value(['lcp-echo-timeout'])
-
+ # retrieve common dictionary keys
+ sstp = get_accel_dict(conf, base, sstp_chap_secrets)
return sstp
-
def verify(sstp):
- if sstp is None:
+ if not sstp:
return None
- # vertify auth settings
- if sstp['auth_mode'] == 'local':
- if not sstp['local_users']:
- raise ConfigError('SSTP local auth mode requires local users to be configured!')
-
- for user in sstp['local_users']:
- username = user['name']
- if not user['password']:
- raise ConfigError(f'Password required for local user "{username}"')
-
- # if up/download is set, check that both have a value
- if user['upload'] and not user['download']:
- raise ConfigError(f'Download speed value required for local user "{username}"')
-
- if user['download'] and not user['upload']:
- raise ConfigError(f'Upload speed value required for local user "{username}"')
-
- if not sstp['client_ip_pool']:
- raise ConfigError('Client IP subnet required')
-
- if not sstp['client_gateway']:
- raise ConfigError('Client gateway IP address required')
-
- if len(sstp['dnsv4']) > 2:
- raise ConfigError('Not more then two IPv4 DNS name-servers can be configured')
+ verify_accel_ppp_base_service(sstp)
- # check ipv6
- if sstp['client_ipv6_delegate_prefix'] and not sstp['client_ipv6_pool']:
- raise ConfigError('IPv6 prefix delegation requires client-ipv6-pool prefix')
+ if not sstp['client_ip_pool']:
+ raise ConfigError('Client IP subnet required')
- for prefix in sstp['client_ipv6_delegate_prefix']:
- if not prefix['mask']:
- raise ConfigError('Delegation-prefix required for individual delegated networks')
-
- if not sstp['ssl_ca'] or not sstp['ssl_cert'] or not sstp['ssl_key']:
- raise ConfigError('One or more SSL certificates missing')
-
- if not os.path.exists(sstp['ssl_ca']):
- file = sstp['ssl_ca']
- raise ConfigError(f'SSL CA certificate file "{file}" does not exist')
-
- if not os.path.exists(sstp['ssl_cert']):
- file = sstp['ssl_cert']
- raise ConfigError(f'SSL public key file "{file}" does not exist')
-
- if not os.path.exists(sstp['ssl_key']):
- file = sstp['ssl_key']
- raise ConfigError(f'SSL private key file "{file}" does not exist')
+ #
+ # SSL certificate checks
+ #
+ tmp = vyos_dict_search('ssl.ca_cert_file', sstp)
+ if not tmp:
+ raise ConfigError(f'SSL CA certificate file required!')
+ else:
+ if not os.path.isfile(tmp):
+ raise ConfigError(f'SSL CA certificate "{tmp}" does not exist!')
- if sstp['auth_mode'] == 'radius':
- if len(sstp['radius_server']) == 0:
- raise ConfigError('RADIUS authentication requires at least one server')
+ tmp = vyos_dict_search('ssl.cert_file', sstp)
+ if not tmp:
+ raise ConfigError(f'SSL public key file required!')
+ else:
+ if not os.path.isfile(tmp):
+ raise ConfigError(f'SSL public key "{tmp}" does not exist!')
- for radius in sstp['radius_server']:
- if not radius['key']:
- server = radius['server']
- raise ConfigError(f'Missing RADIUS secret key for server "{ server }"')
+ tmp = vyos_dict_search('ssl.key_file', sstp)
+ if not tmp:
+ raise ConfigError(f'SSL private key file required!')
+ else:
+ if not os.path.isfile(tmp):
+ raise ConfigError(f'SSL private key "{tmp}" does not exist!')
def generate(sstp):
if not sstp:
@@ -358,9 +84,9 @@ def generate(sstp):
# accel-cmd reload doesn't work so any change results in a restart of the daemon
render(sstp_conf, 'accel-ppp/sstp.config.tmpl', sstp, trim_blocks=True)
- if sstp['local_users']:
- render(sstp_chap_secrets, 'accel-ppp/chap-secrets.tmpl', sstp, trim_blocks=True)
- os.chmod(sstp_chap_secrets, S_IRUSR | S_IWUSR | S_IRGRP)
+ if vyos_dict_search('authentication.mode', sstp) == 'local':
+ render(sstp_chap_secrets, 'accel-ppp/chap-secrets.config_dict.tmpl',
+ sstp, trim_blocks=True, permission=0o640)
else:
if os.path.exists(sstp_chap_secrets):
os.unlink(sstp_chap_secrets)