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-rwxr-xr-xsrc/conf_mode/service_ipoe-server.py4
-rwxr-xr-xsrc/conf_mode/service_pppoe-server.py10
-rwxr-xr-xsrc/conf_mode/vpn_l2tp.py10
-rwxr-xr-xsrc/conf_mode/vpn_pptp.py426
-rwxr-xr-xsrc/conf_mode/vpn_sstp.py10
-rwxr-xr-xsrc/migration-scripts/pptp/1-to-271
6 files changed, 308 insertions, 223 deletions
diff --git a/src/conf_mode/service_ipoe-server.py b/src/conf_mode/service_ipoe-server.py
index 23a2091bd..17fa2c3f0 100755
--- a/src/conf_mode/service_ipoe-server.py
+++ b/src/conf_mode/service_ipoe-server.py
@@ -238,7 +238,7 @@ def verify(ipoe):
for interface in ipoe['interfaces']:
if not interface['range']:
- raise ConfigError(f'No IPoE client subnet defined on interface "{{ interface }}"')
+ raise ConfigError(f'No IPoE client subnet defined on interface "{ interface }"')
if len(ipoe['dnsv4']) > 2:
raise ConfigError('Not more then two IPv4 DNS name-servers can be configured')
@@ -253,7 +253,7 @@ def verify(ipoe):
for radius in ipoe['radius_server']:
if not radius['key']:
server = radius['server']
- raise ConfigError(f'Missing RADIUS secret key for server "{{ server }}"')
+ raise ConfigError(f'Missing RADIUS secret key for server "{ server }"')
if ipoe['client_ipv6_delegate_prefix'] and not ipoe['client_ipv6_pool']:
raise ConfigError('IPoE IPv6 deletate-prefix requires IPv6 prefix to be configured!')
diff --git a/src/conf_mode/service_pppoe-server.py b/src/conf_mode/service_pppoe-server.py
index 94eb675f7..95cb066d8 100755
--- a/src/conf_mode/service_pppoe-server.py
+++ b/src/conf_mode/service_pppoe-server.py
@@ -23,7 +23,7 @@ from sys import exit
from vyos.config import Config
from vyos.template import render
-from vyos.util import call
+from vyos.util import call, get_half_cpus()
from vyos.validate import is_ipv4
from vyos import ConfigError
@@ -78,7 +78,7 @@ default_config_data = {
'radius_dynamic_author': '',
'sesscrtl': 'replace',
'snmp': False,
- 'thread_cnt': '1'
+ 'thread_cnt': get_half_cpus()
}
def get_config():
@@ -90,10 +90,6 @@ def get_config():
conf.set_level(base_path)
pppoe = deepcopy(default_config_data)
- cpu = os.cpu_count()
- if cpu > 1:
- pppoe['thread_cnt'] = int(cpu/2)
-
# general options
if conf.exists(['access-concentrator']):
pppoe['concentrator'] = conf.return_value(['access-concentrator'])
@@ -393,7 +389,7 @@ def verify(pppoe):
for radius in pppoe['radius_server']:
if not radius['key']:
server = radius['server']
- raise ConfigError(f'Missing RADIUS secret key for server "{{ server }}"')
+ raise ConfigError(f'Missing RADIUS secret key for server "{ server }"')
if len(pppoe['wins']) > 2:
raise ConfigError('Not more then two IPv4 WINS name-servers can be configured')
diff --git a/src/conf_mode/vpn_l2tp.py b/src/conf_mode/vpn_l2tp.py
index a640e2a94..a4ef99d45 100755
--- a/src/conf_mode/vpn_l2tp.py
+++ b/src/conf_mode/vpn_l2tp.py
@@ -25,7 +25,7 @@ from time import sleep
from ipaddress import ip_network
from vyos.config import Config
-from vyos.util import call
+from vyos.util import call, get_half_cpus
from vyos.validate import is_ipv4
from vyos import ConfigError
from vyos.template import render
@@ -65,7 +65,7 @@ default_config_data = {
'radius_dynamic_author': '',
'wins': [],
'ip6_column': [],
- 'thread_cnt': 1
+ 'thread_cnt': get_half_cpus()
}
def get_config():
@@ -77,10 +77,6 @@ def get_config():
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']):
@@ -313,7 +309,7 @@ def verify(l2tp):
for radius in l2tp['radius_server']:
if not radius['key']:
- raise ConfigError(f"Missing RADIUS secret for server {{ 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']):
diff --git a/src/conf_mode/vpn_pptp.py b/src/conf_mode/vpn_pptp.py
index 15b80f984..046fc8f9c 100755
--- a/src/conf_mode/vpn_pptp.py
+++ b/src/conf_mode/vpn_pptp.py
@@ -17,234 +17,260 @@
import os
import re
-from socket import socket, AF_INET, SOCK_STREAM
+from copy import deepcopy
+from stat import S_IRUSR, S_IWUSR, S_IRGRP
from sys import exit
-from time import sleep
from vyos.config import Config
-from vyos import ConfigError
-from vyos.util import run
from vyos.template import render
+from vyos.util import call, get_half_cpus
+from vyos import ConfigError
+pptp_conf = '/run/accel-pppd/pptp.conf'
+pptp_chap_secrets = '/run/accel-pppd/pptp.chap-secrets'
+
+default_pptp = {
+ 'auth_mode' : 'local',
+ 'local_users' : [],
+ 'radius_server' : [],
+ 'radius_acct_tmo' : '30',
+ 'radius_max_try' : '3',
+ 'radius_timeout' : '30',
+ 'radius_nas_id' : '',
+ 'radius_nas_ip' : '',
+ 'radius_source_address' : '',
+ 'radius_shaper_attr' : '',
+ 'radius_shaper_vendor': '',
+ 'radius_dynamic_author' : '',
+ 'chap_secrets_file': pptp_chap_secrets, # used in Jinja2 template
+ 'outside_addr': '',
+ 'dnsv4': [],
+ 'wins': [],
+ 'client_ip_pool': '',
+ 'mtu': '1436',
+ 'auth_proto' : ['auth_mschap_v2'],
+ 'ppp_mppe' : 'prefer',
+ 'thread_cnt': get_half_cpus()
+}
-pidfile = r'/var/run/accel_pptp.pid'
-pptp_cnf_dir = r'/etc/accel-ppp/pptp'
-chap_secrets = pptp_cnf_dir + '/chap-secrets'
-pptp_conf = pptp_cnf_dir + '/pptp.config'
+def get_config():
+ conf = Config()
+ base_path = ['vpn', 'pptp', 'remote-access']
+ if not conf.exists(base_path):
+ return None
-# config path creation
-if not os.path.exists(pptp_cnf_dir):
- os.makedirs(pptp_cnf_dir)
+ pptp = deepcopy(default_pptp)
+ conf.set_level(base_path)
-def _chk_con():
- cnt = 0
- s = socket(AF_INET, SOCK_STREAM)
- while True:
- try:
- s.connect(("127.0.0.1", 2003))
- break
- except ConnectionRefusedError:
- sleep(0.5)
- cnt += 1
- if cnt == 100:
- raise("failed to start pptp server")
- break
+ if conf.exists(['name-server']):
+ pptp['dnsv4'] = conf.return_values(['name-server'])
+ if conf.exists(['wins-server']):
+ pptp['wins'] = conf.return_values(['wins-server'])
-def _accel_cmd(command):
- return run('/usr/bin/accel-cmd -p 2003 {command}')
+ if conf.exists(['outside-address']):
+ pptp['outside_addr'] = conf.return_value(['outside-address'])
-###
-# inline helper functions end
-###
+ if conf.exists(['authentication', 'mode']):
+ pptp['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' : '*',
+ }
-def get_config():
- c = Config()
- if not c.exists(['vpn', 'pptp', 'remote-access']):
- return 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 not conf.exists(['disable']):
+ pptp['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']):
+ pptp['radius_server'].append(radius)
+
+ #
+ # advanced radius-setting
+ conf.set_level(base_path + ['authentication', 'radius'])
+
+ if conf.exists(['acct-timeout']):
+ pptp['radius_acct_tmo'] = conf.return_value(['acct-timeout'])
+
+ if conf.exists(['max-try']):
+ pptp['radius_max_try'] = conf.return_value(['max-try'])
+
+ if conf.exists(['timeout']):
+ pptp['radius_timeout'] = conf.return_value(['timeout'])
+
+ if conf.exists(['nas-identifier']):
+ pptp['radius_nas_id'] = conf.return_value(['nas-identifier'])
+
+ if conf.exists(['nas-ip-address']):
+ pptp['radius_nas_ip'] = conf.return_value(['nas-ip-address'])
+
+ if conf.exists(['source-address']):
+ pptp['radius_source_address'] = conf.return_value(['source-address'])
+
+ # Dynamic Authorization Extensions (DOA)/Change Of Authentication (COA)
+ if conf.exists(['dae-server']):
+ dae = {
+ 'port' : '',
+ 'server' : '',
+ 'key' : ''
+ }
- c.set_level(['vpn', 'pptp', 'remote-access'])
- config_data = {
- 'authentication': {
- 'mode': 'local',
- 'local-users': {
- },
- 'radiussrv': {},
- 'auth_proto': 'auth_mschap_v2',
- 'mppe': 'require'
- },
- 'outside_addr': '',
- 'dns': [],
- 'wins': [],
- 'client_ip_pool': '',
- 'mtu': '1436',
- }
-
- ### 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(['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': ''
- }
- }
- )
-
- 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'])
-
- # 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 not c.return_value(['authentication', 'radius', 'server', rsrv, 'fail-time']):
- ftime = '0'
- else:
- ftime = c.return_value(
- ['authentication', 'radius', 'server', rsrv, 'fail-time'])
- if not c.return_value(['authentication', 'radius-server', rsrv, 'req-limit']):
- reql = '0'
- else:
- reql = 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
- }
- }
- )
-
- if c.exists(['client-ip-pool']):
- if c.exists(['client-ip-pool', 'start']):
- config_data['client_ip_pool'] = c.return_value(
- ['client-ip-pool', 'start'])
- if c.exists(['client-ip-pool', 'stop']):
- config_data['client_ip_pool'] += '-' + \
- re.search(
- '[0-9]+$', c.return_value(['client-ip-pool', 'stop'])).group(0)
- if c.exists(['mtu']):
- config_data['mtu'] = c.return_value(['mtu'])
+ if conf.exists(['dynamic-author', 'ip-address']):
+ dae['server'] = conf.return_value(['dynamic-author', 'ip-address'])
+
+ if conf.exists(['dynamic-author', 'port']):
+ dae['port'] = conf.return_value(['dynamic-author', 'port'])
+
+ if conf.exists(['dynamic-author', 'key']):
+ dae['key'] = conf.return_value(['dynamic-author', 'key'])
+
+ pptp['radius_dynamic_author'] = dae
+
+ if conf.exists(['rate-limit', 'enable']):
+ pptp['radius_shaper_attr'] = 'Filter-Id'
+ c_attr = ['rate-limit', 'enable', 'attribute']
+ if conf.exists(c_attr):
+ pptp['radius_shaper_attr'] = conf.return_value(c_attr)
+
+ c_vendor = ['rate-limit', 'enable', 'vendor']
+ if conf.exists(c_vendor):
+ pptp['radius_shaper_vendor'] = conf.return_value(c_vendor)
+
+ conf.set_level(base_path)
+ if conf.exists(['client-ip-pool']):
+ if conf.exists(['client-ip-pool', 'start']) and conf.exists(['client-ip-pool', 'stop']):
+ start = conf.return_value(['client-ip-pool', 'start'])
+ stop = conf.return_value(['client-ip-pool', 'stop'])
+ pptp['client_ip_pool'] = start + '-' + re.search('[0-9]+$', stop).group(0)
+
+ if conf.exists(['mtu']):
+ pptp['mtu'] = conf.return_value(['mtu'])
# gateway address
- if c.exists(['gateway-address']):
- config_data['gw_ip'] = c.return_value(['gateway-address'])
+ if conf.exists(['gateway-address']):
+ pptp['gw_ip'] = conf.return_value(['gateway-address'])
else:
- config_data['gw_ip'] = re.sub(
- '[0-9]+$', '1', config_data['client_ip_pool'])
+ # calculate gw-ip-address
+ if conf.exists(['client-ip-pool', 'start']):
+ # use start ip as gw-ip-address
+ pptp['gateway_address'] = conf.return_value(['client-ip-pool', 'start'])
- if c.exists(['authentication', 'require']):
- if c.return_value(['authentication', 'require']) == 'pap':
- config_data['authentication']['auth_proto'] = 'auth_pap'
- if c.return_value(['authentication', 'require']) == 'chap':
- config_data['authentication']['auth_proto'] = 'auth_chap_md5'
- if c.return_value(['authentication', 'require']) == 'mschap':
- config_data['authentication']['auth_proto'] = 'auth_mschap_v1'
- if c.return_value(['authentication', 'require']) == 'mschap-v2':
- config_data['authentication']['auth_proto'] = 'auth_mschap_v2'
+ if conf.exists(['authentication', 'require']):
+ # clear default list content, now populate with actual CLI values
+ pptp['auth_proto'] = []
+ auth_mods = {
+ 'pap': 'auth_pap',
+ 'chap': 'auth_chap_md5',
+ 'mschap': 'auth_mschap_v1',
+ 'mschap-v2': 'auth_mschap_v2'
+ }
- if c.exists(['authentication', 'mppe']):
- config_data['authentication']['mppe'] = c.return_value(
- ['authentication', 'mppe'])
+ for proto in conf.return_values(['authentication', 'require']):
+ pptp['auth_proto'].append(auth_mods[proto])
- return config_data
+ if conf.exists(['authentication', 'mppe']):
+ pptp['ppp_mppe'] = conf.return_value(['authentication', 'mppe'])
+ return pptp
-def verify(c):
- if c == None:
- return None
- if c['authentication']['mode'] == 'local':
- if not c['authentication']['local-users']:
- raise ConfigError(
- 'pptp-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')
-
-
-def generate(c):
- if c == None:
+def verify(pptp):
+ if not pptp:
return None
- # 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)
-
- render(pptp_conf, 'pptp/pptp.config.tmpl', c, trim_blocks=True)
-
- if c['authentication']['local-users']:
- old_umask = os.umask(0o077)
- render(chap_secrets, 'pptp/chap-secrets.tmpl', c, trim_blocks=True)
- os.umask(old_umask)
- # return c ??
- 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)
+ if pptp['auth_mode'] == 'local':
+ if not pptp['local_users']:
+ raise ConfigError('PPTP local auth mode requires local users to be configured!')
+
+ for user in pptp['local_users']:
+ username = user['name']
+ if not user['password']:
+ raise ConfigError(f'Password required for local user "{username}"')
+
+ elif pptp['auth_mode'] == 'radius':
+ if len(pptp['radius_server']) == 0:
+ raise ConfigError('RADIUS authentication requires at least one server')
+
+ for radius in pptp['radius_server']:
+ if not radius['key']:
+ server = radius['server']
+ raise ConfigError(f'Missing RADIUS secret key for server "{ server }"')
+
+ if len(pptp['dnsv4']) > 2:
+ raise ConfigError('Not more then two IPv4 DNS name-servers can be configured')
+
+ if len(pptp['wins']) > 2:
+ raise ConfigError('Not more then two IPv4 WINS name-servers can be configured')
+
+
+def generate(pptp):
+ if not pptp:
return None
- if not os.path.exists(pidfile):
- ret = run(f'/usr/sbin/accel-pppd -c {pptp_conf} -p {pidfile} -d')
- _chk_con()
- if ret != 0 and os.path.exists(pidfile):
- os.remove(pidfile)
- raise ConfigError('accel-pppd failed to start')
+ dirname = os.path.dirname(pptp_conf)
+ if not os.path.exists(dirname):
+ os.mkdir(dirname)
+
+ render(pptp_conf, 'accel-ppp/pptp.config.tmpl', pptp, trim_blocks=True)
+
+ if pptp['local_users']:
+ render(pptp_chap_secrets, 'accel-ppp/chap-secrets.tmpl', pptp, trim_blocks=True)
+ os.chmod(pptp_chap_secrets, S_IRUSR | S_IWUSR | S_IRGRP)
else:
- # if gw ip changes, only restart doesn't work
- _accel_cmd('restart')
+ if os.path.exists(pptp_chap_secrets):
+ os.unlink(pptp_chap_secrets)
+
+
+def apply(pptp):
+ if not pptp:
+ call('systemctl stop accel-ppp@pptp.service')
+ for file in [pptp_conf, pptp_chap_secrets]:
+ if os.path.exists(file):
+ os.unlink(file)
+
+ return None
+
+ call('systemctl restart accel-ppp@pptp.service')
if __name__ == '__main__':
try:
diff --git a/src/conf_mode/vpn_sstp.py b/src/conf_mode/vpn_sstp.py
index 9ec352290..e6ce94709 100755
--- a/src/conf_mode/vpn_sstp.py
+++ b/src/conf_mode/vpn_sstp.py
@@ -23,7 +23,7 @@ from stat import S_IRUSR, S_IWUSR, S_IRGRP
from vyos.config import Config
from vyos import ConfigError
-from vyos.util import call, run
+from vyos.util import call, run, get_half_cpus
from vyos.template import render
@@ -56,7 +56,7 @@ default_config_data = {
'ppp_echo_failure' : '',
'ppp_echo_interval' : '',
'ppp_echo_timeout' : '',
- 'thread_cnt' : 1
+ 'thread_cnt' : get_half_cpus()
}
def get_config():
@@ -68,10 +68,6 @@ def get_config():
conf.set_level(base_path)
- 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'])
@@ -301,7 +297,7 @@ def verify(sstp):
for radius in sstp['radius_server']:
if not radius['key']:
server = radius['server']
- raise ConfigError(f'Missing RADIUS secret key for server "{{ server }}"')
+ raise ConfigError(f'Missing RADIUS secret key for server "{ server }"')
def generate(sstp):
if not sstp:
diff --git a/src/migration-scripts/pptp/1-to-2 b/src/migration-scripts/pptp/1-to-2
new file mode 100755
index 000000000..a13cc3a4f
--- /dev/null
+++ b/src/migration-scripts/pptp/1-to-2
@@ -0,0 +1,71 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 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/>.
+
+# - migrate dns-servers node to common name-servers
+# - remove radios req-limit node
+
+from sys import argv, exit
+
+from vyos.configtree import ConfigTree
+
+if (len(argv) < 1):
+ print("Must specify file name!")
+ exit(1)
+
+file_name = argv[1]
+
+with open(file_name, 'r') as f:
+ config_file = f.read()
+
+config = ConfigTree(config_file)
+base = ['vpn', 'pptp', 'remote-access']
+if not config.exists(base):
+ # Nothing to do
+ exit(0)
+else:
+ # Migrate IPv4 DNS servers
+ dns_base = base + ['dns-servers']
+ if config.exists(dns_base):
+ for server in ['server-1', 'server-2']:
+ if config.exists(dns_base + [server]):
+ dns = config.return_value(dns_base + [server])
+ config.set(base + ['name-server'], value=dns, replace=False)
+
+ config.delete(dns_base)
+
+ # Migrate IPv4 WINS servers
+ wins_base = base + ['wins-servers']
+ if config.exists(wins_base):
+ for server in ['server-1', 'server-2']:
+ if config.exists(wins_base + [server]):
+ wins = config.return_value(wins_base + [server])
+ config.set(base + ['wins-server'], value=wins, replace=False)
+
+ config.delete(wins_base)
+
+ # Remove RADIUS server req-limit node
+ radius_base = base + ['authentication', 'radius']
+ if config.exists(radius_base):
+ for server in config.list_nodes(radius_base + ['server']):
+ if config.exists(radius_base + ['server', server, 'req-limit']):
+ config.delete(radius_base + ['server', server, 'req-limit'])
+
+ try:
+ with open(file_name, 'w') as f:
+ f.write(config.to_string())
+ except OSError as e:
+ print("Failed to save the modified config: {}".format(e))
+ exit(1)