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-rwxr-xr-xsrc/conf_mode/vpn_l2tp.py271
1 files changed, 144 insertions, 127 deletions
diff --git a/src/conf_mode/vpn_l2tp.py b/src/conf_mode/vpn_l2tp.py
index 8f493ddaf..4cd28e0fe 100755
--- a/src/conf_mode/vpn_l2tp.py
+++ b/src/conf_mode/vpn_l2tp.py
@@ -43,14 +43,14 @@ if not os.path.exists(l2tp_cnf_dir):
default_config_data = {
'authentication': {
- 'mode': 'local',
- 'local-users': {
- },
'radiussrv': {},
'radiusopt': {},
- 'auth_proto': [],
'mppe': 'prefer'
},
+ 'auth_proto' : [],
+ 'local_users' : [],
+ 'auth_mode' : 'local',
+ 'radius_server' : [],
'outside_addr': '',
'gateway_address': '10.255.255.0',
'dnsv4': [],
@@ -91,12 +91,12 @@ def _accel_cmd(command):
def get_config():
- c = Config()
- base = ['vpn', 'l2tp', 'remote-access']
- if not c.exists(base):
+ conf = Config()
+ base_path = ['vpn', 'l2tp', 'remote-access']
+ if not conf.exists(base_path):
return None
- c.set_level(base)
+ conf.set_level(base_path)
l2tp = deepcopy(default_config_data)
cpu = os.cpu_count()
@@ -104,197 +104,210 @@ def get_config():
l2tp['thread_cnt'] = int(cpu/2)
### general options ###
- if c.exists(['name-server']):
- for name_server in c.return_values(['name-server']):
+ 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 c.exists(['wins-server']):
- l2tp['wins'] = c.return_values(['wins-server'])
-
- if c.exists('outside-address'):
- l2tp['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'):
- l2tp['authentication']['local-users'].update(
- {
- usr: {
- 'passwd': '',
- 'state': 'enabled',
- 'ip': '*',
- 'upload': None,
- 'download': None
- }
- }
- )
-
- if c.exists('authentication local-users username ' + usr + ' password'):
- l2tp['authentication']['local-users'][usr]['passwd'] = c.return_value(
- 'authentication local-users username ' + usr + ' password')
- if c.exists('authentication local-users username ' + usr + ' disable'):
- l2tp['authentication']['local-users'][usr]['state'] = 'disable'
- if c.exists('authentication local-users username ' + usr + ' static-ip'):
- l2tp['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'):
- l2tp['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'):
- l2tp['authentication']['local-users'][usr]['upload'] = c.return_value(
- 'authentication local-users username ' + usr + ' rate-limit upload')
+ if conf.exists(['wins-server']):
+ l2tp['wins'] = conf.return_values(['wins-server'])
- # authentication mode radius servers and settings
+ 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'])
+
+ #
+ # 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 c.exists('authentication mode radius'):
- l2tp['authentication']['mode'] = 'radius'
- rsrvs = c.list_nodes('authentication radius server')
+ if conf.exists(['rate-limit', 'upload']):
+ user['upload'] = conf.return_value(['rate-limit', 'upload'])
+
+ l2tp['local_users'].append(user)
+
+ conf.set_level(base_path)
+ # authentication mode radius servers and settings
+ if conf.exists('authentication mode radius'):
+ rsrvs = conf.list_nodes('authentication radius server')
for rsrv in rsrvs:
- if c.return_value('authentication radius server ' + rsrv + ' fail-time') == None:
+ if conf.return_value('authentication radius server ' + rsrv + ' fail-time') == None:
ftime = '0'
else:
- ftime = str(c.return_value(
+ ftime = str(conf.return_value(
'authentication radius server ' + rsrv + ' fail-time'))
- if c.return_value('authentication radius-server ' + rsrv + ' req-limit') == None:
+ if conf.return_value('authentication radius-server ' + rsrv + ' req-limit') == None:
reql = '0'
else:
- reql = str(c.return_value(
+ reql = str(conf.return_value(
'authentication radius server ' + rsrv + ' req-limit'))
l2tp['authentication']['radiussrv'].update(
{
rsrv: {
- 'secret': c.return_value('authentication radius server ' + rsrv + ' key'),
+ 'secret': conf.return_value('authentication radius server ' + rsrv + ' key'),
'fail-time': ftime,
'req-limit': reql
}
}
)
# Source ip address feature
- if c.exists('authentication radius source-address'):
- l2tp['authentication']['radius_source_address'] = c.return_value(
+ if conf.exists('authentication radius source-address'):
+ l2tp['authentication']['radius_source_address'] = conf.return_value(
'authentication radius source-address')
# advanced radius-setting
- if c.exists('authentication radius acct-timeout'):
- l2tp['authentication']['radiusopt']['acct-timeout'] = c.return_value(
+ if conf.exists('authentication radius acct-timeout'):
+ l2tp['authentication']['radiusopt']['acct-timeout'] = conf.return_value(
'authentication radius acct-timeout')
- if c.exists('authentication radius max-try'):
- l2tp['authentication']['radiusopt']['max-try'] = c.return_value(
+ if conf.exists('authentication radius max-try'):
+ l2tp['authentication']['radiusopt']['max-try'] = conf.return_value(
'authentication radius max-try')
- if c.exists('authentication radius timeout'):
- l2tp['authentication']['radiusopt']['timeout'] = c.return_value(
+ if conf.exists('authentication radius timeout'):
+ l2tp['authentication']['radiusopt']['timeout'] = conf.return_value(
'authentication radius timeout')
- if c.exists('authentication radius nas-identifier'):
- l2tp['authentication']['radiusopt']['nas-id'] = c.return_value(
+ if conf.exists('authentication radius nas-identifier'):
+ l2tp['authentication']['radiusopt']['nas-id'] = conf.return_value(
'authentication radius nas-identifier')
- if c.exists('authentication radius dae-server'):
+ if conf.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(
+ if conf.exists('authentication radius dae-server port'):
+ dae_server_port = conf.return_value(
'authentication radius dae-server port')
else:
dae_server_port = "3799"
l2tp['authentication']['radiusopt'].update(
{
'dae-srv': {
- 'ip-addr': c.return_value('authentication radius dae-server ip-address'),
+ 'ip-addr': conf.return_value('authentication radius dae-server ip-address'),
'port': dae_server_port,
- 'secret': str(c.return_value('authentication radius dae-server secret'))
+ 'secret': str(conf.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'):
+ if conf.exists('authentication radius rate-limit enable'):
+ if not conf.exists('authentication radius rate-limit attribute'):
l2tp['authentication']['radiusopt']['shaper'] = {
'attr': 'Filter-Id'
}
else:
l2tp['authentication']['radiusopt']['shaper'] = {
- 'attr': c.return_value('authentication radius rate-limit attribute')
+ 'attr': conf.return_value('authentication radius rate-limit attribute')
}
- if c.exists('authentication radius rate-limit vendor'):
- l2tp['authentication']['radiusopt']['shaper']['vendor'] = c.return_value(
+ if conf.exists('authentication radius rate-limit vendor'):
+ l2tp['authentication']['radiusopt']['shaper']['vendor'] = conf.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'):
- l2tp['client_ip_pool'] = c.return_value(
- 'client-ip-pool start') + '-' + re.search('[0-9]+$', c.return_value('client-ip-pool stop')).group(0)
+ if conf.exists('client-ip-pool'):
+ if conf.exists('client-ip-pool start') and conf.exists('client-ip-pool stop'):
+ l2tp['client_ip_pool'] = conf.return_value(
+ 'client-ip-pool start') + '-' + re.search('[0-9]+$', conf.return_value('client-ip-pool stop')).group(0)
- if c.exists('client-ip-pool subnet'):
- l2tp['client_ip_subnets'] = c.return_values(
+ if conf.exists('client-ip-pool subnet'):
+ l2tp['client_ip_subnets'] = conf.return_values(
'client-ip-pool subnet')
- if c.exists('client-ipv6-pool prefix'):
- l2tp['client_ipv6_pool']['prefix'] = c.return_values(
+ if conf.exists('client-ipv6-pool prefix'):
+ l2tp['client_ipv6_pool']['prefix'] = conf.return_values(
'client-ipv6-pool prefix')
l2tp['ip6_column'] = 'ip6,'
- if c.exists('client-ipv6-pool delegate-prefix'):
- l2tp['client_ipv6_pool']['delegate_prefix'] = c.return_values(
+ if conf.exists('client-ipv6-pool delegate-prefix'):
+ l2tp['client_ipv6_pool']['delegate_prefix'] = conf.return_values(
'client-ipv6-pool delegate-prefix')
l2tp['ip6_dp_column'] = 'ip6-dp,'
- if c.exists('mtu'):
- l2tp['mtu'] = c.return_value('mtu')
+ if conf.exists('mtu'):
+ l2tp['mtu'] = conf.return_value('mtu')
# gateway address
- if c.exists('gateway-address'):
- l2tp['gateway_address'] = c.return_value('gateway-address')
+ if conf.exists('gateway-address'):
+ l2tp['gateway_address'] = conf.return_value('gateway-address')
else:
# calculate gw-ip-address
- if c.exists('client-ip-pool start'):
+ if conf.exists('client-ip-pool start'):
# use start ip as gw-ip-address
- l2tp['gateway_address'] = c.return_value(
+ l2tp['gateway_address'] = conf.return_value(
'client-ip-pool start')
- elif c.exists('client-ip-pool subnet'):
+ elif conf.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(
+ lst_ip = re.findall("\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}", conf.return_values(
'client-ip-pool subnet')[0])
l2tp['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'):
- l2tp['authentication']['auth_proto'].append(
- auth_mods[proto])
+ #
+ # authentication protocols
+ conf.set_level(base_path + ['authentication'])
+ if conf.exists(['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(['protocols']):
+ l2tp['auth_proto'].append(auth_mods[proto])
+
else:
- l2tp['authentication']['auth_proto'] = ['auth_mschap_v2']
+ l2tp['auth_proto'] = ['auth_mschap_v2']
- if c.exists('authentication mppe'):
- l2tp['authentication']['mppe'] = c.return_value(
+ if conf.exists('authentication mppe'):
+ l2tp['authentication']['mppe'] = conf.return_value(
'authentication mppe')
- if c.exists('idle'):
- l2tp['idle_timeout'] = c.return_value('idle')
+ if conf.exists('idle'):
+ l2tp['idle_timeout'] = conf.return_value('idle')
# LNS secret
- if c.exists('lns shared-secret'):
- l2tp['lns_shared_secret'] = c.return_value('lns shared-secret')
+ if conf.exists('lns shared-secret'):
+ l2tp['lns_shared_secret'] = conf.return_value('lns shared-secret')
- if c.exists('ccp-disable'):
+ if conf.exists('ccp-disable'):
l2tp['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(
+ if conf.exists('ppp-options'):
+ if conf.exists('ppp-options lcp-echo-failure'):
+ ppp_options['lcp-echo-failure'] = conf.return_value(
'ppp-options lcp-echo-failure')
- if c.exists('ppp-options lcp-echo-interval'):
- ppp_options['lcp-echo-interval'] = c.return_value(
+ if conf.exists('ppp-options lcp-echo-interval'):
+ ppp_options['lcp-echo-interval'] = conf.return_value(
'ppp-options lcp-echo-interval')
if len(ppp_options) != 0:
l2tp['ppp_options'] = ppp_options
+ import pprint
+ pprint.pprint(l2tp)
return l2tp
@@ -302,24 +315,25 @@ def verify(l2tp):
if l2tp == None:
return None
- if l2tp['authentication']['mode'] == 'local':
- if not l2tp['authentication']['local-users']:
- raise ConfigError(
- 'l2tp-server authentication local-users required')
- for usr in l2tp['authentication']['local-users']:
- if not l2tp['authentication']['local-users'][usr]['passwd']:
- raise ConfigError('user ' + usr + ' requires a password')
+ if l2tp['auth_mode'] == 'local':
+ if not l2tp['local_users']:
+ raise ConfigError('L2TP local auth mode requires local users to be configured!')
- if l2tp['authentication']['mode'] == 'radius':
+ 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['authentication']['radiussrv']) == 0:
raise ConfigError('radius server required')
+
for rsrv in l2tp['authentication']['radiussrv']:
if l2tp['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 l2tp['client_ip_pool'] and not l2tp['client_ip_subnets']:
+ 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")
@@ -337,6 +351,8 @@ def verify(l2tp):
if len(l2tp['dnsv6']) > 3:
raise ConfigError('Not more then three IPv6 DNS name-servers can be configured')
+ return None
+
def generate(l2tp):
if l2tp == None:
@@ -351,18 +367,19 @@ def generate(l2tp):
config_text = tmpl.render(c)
open(l2tp_conf, 'w').write(config_text)
- if l2tp['authentication']['local-users']:
+ if l2tp['auth_mode'] == 'local':
tmpl = env.get_template('chap-secrets.tmpl')
- chap_secrets_txt = tmpl.render(c)
+ chap_secrets_txt = tmpl.render(l2tp)
old_umask = os.umask(0o077)
- open(chap_secrets, 'w').write(chap_secrets_txt)
+ with open(chap_secrets, 'w') as f:
+ f.write(chap_secrets_txt)
os.umask(old_umask)
- return c
+ return None
-def apply(c):
- if c == None:
+def apply(l2tp):
+ if l2tp == None:
if os.path.exists(pidfile):
_accel_cmd('shutdown hard')
if os.path.exists(pidfile):