From 142a98763b6d7471c0b9563f0297d8bf4bf6a630 Mon Sep 17 00:00:00 2001 From: hagbard Date: Thu, 30 Jan 2020 19:32:20 -0800 Subject: vpn-pptp: adjusting name schemes --- src/conf_mode/accel_pptp.py | 356 -------------------------------------------- 1 file changed, 356 deletions(-) delete mode 100755 src/conf_mode/accel_pptp.py (limited to 'src/conf_mode/accel_pptp.py') diff --git a/src/conf_mode/accel_pptp.py b/src/conf_mode/accel_pptp.py deleted file mode 100755 index 050ab045c..000000000 --- a/src/conf_mode/accel_pptp.py +++ /dev/null @@ -1,356 +0,0 @@ -#!/usr/bin/env python3 -# -# Copyright (C) 2018 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 . -# -# - -import sys -import os -import re -import subprocess -import jinja2 -import socket -import time -import syslog as sl - -from vyos.config import Config -from vyos import ConfigError - -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' - -### config path creation -if not os.path.exists(pptp_cnf_dir): - os.makedirs(pptp_cnf_dir) - sl.syslog(sl.LOG_NOTICE, pptp_cnf_dir + " created") - -pptp_config = ''' -### generated by accel_pptp.py ### -[modules] -log_syslog -pptp -ippool -chap-secrets -{% if authentication['auth_proto'] %} -{{ authentication['auth_proto'] }} -{% else %} -auth_mschap_v2 -{% endif %} -{% if authentication['mode'] == 'radius' %} -radius -{% endif -%} - -[core] -thread-count={{thread_cnt}} - -[log] -syslog=accel-pptp,daemon -copy=1 -level=5 - -{% if dns %} -[dns] -{% if dns[0] %} -dns1={{dns[0]}} -{% endif %} -{% if dns[1] %} -dns2={{dns[1]}} -{% endif %} -{% endif %} - -{% if wins %} -[wins] -{% if wins[0] %} -wins1={{wins[0]}} -{% endif %} -{% if wins[1] %} -wins2={{wins[1]}} -{% endif %} -{% endif %} - -[pptp] -ifname=pptp%d -{% if outside_addr %} -bind={{outside_addr}} -{% endif %} -verbose=1 -ppp-max-mtu={{mtu}} -mppe={{authentication['mppe']}} -echo-interval=10 -echo-failure=3 - - -[client-ip-range] -0.0.0.0/0 - -[ip-pool] -tunnel={{client_ip_pool}} -gw-ip-address={{gw_ip}} - -{% if authentication['mode'] == 'local' %} -[chap-secrets] -chap-secrets=/etc/accel-ppp/pptp/chap-secrets -{% endif %} - -[ppp] -verbose=5 -check-ip=1 -single-session=replace - -{% if authentication['mode'] == 'radius' %} -[radius] -{% for rsrv in authentication['radiussrv']: %} -server={{rsrv}},{{authentication['radiussrv'][rsrv]['secret']}},\ -req-limit={{authentication['radiussrv'][rsrv]['req-limit']}},\ -fail-time={{authentication['radiussrv'][rsrv]['fail-time']}} -{% endfor %} -timeout=30 -acct-timeout=30 -max-try=3 -{%endif %} - -[cli] -tcp=127.0.0.1:2003 -''' - -### pptp chap secrets -chap_secrets_conf = ''' -# username server password acceptable local IP addresses -{% for user in authentication['local-users'] %} -{% if authentication['local-users'][user]['state'] == 'enabled' %} -{{user}}\t*\t{{authentication['local-users'][user]['passwd']}}\t{{authentication['local-users'][user]['ip']}} -{% endif %} -{% endfor %} -''' - -def _chk_con(): - cnt = 0 - s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) - while True: - try: - s.connect(("127.0.0.1", 2003)) - break - except ConnectionRefusedError: - time.sleep(0.5) - cnt +=1 - if cnt == 100: - raise("failed to start pptp server") - break - -### chap_secrets file if auth mode local -def _write_chap_secrets(c): - tmpl = jinja2.Template(chap_secrets_conf, trim_blocks=True) - chap_secrets_txt = tmpl.render(c) - old_umask = os.umask(0o077) - open(chap_secrets,'w').write(chap_secrets_txt) - os.umask(old_umask) - sl.syslog(sl.LOG_NOTICE, chap_secrets + ' written') - -def _accel_cmd(cmd=''): - if not cmd: - return None - try: - ret = subprocess.check_output(['/usr/bin/accel-cmd','-p','2003',cmd]).decode().strip() - return ret - except: - return 1 - -### -# inline helper functions end -### - -def get_config(): - c = Config() - if not c.exists(['vpn', 'pptp', 'remote-access']): - return None - - 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]+$', c.return_value(['client-ip-pool', 'stop'])).group(0) - if c.exists(['mtu']): - config_data['mtu'] = c.return_value(['mtu']) - - ### gateway address - if c.exists(['gateway-address']): - config_data['gw_ip'] = c.return_value(['gateway-address']) - else: - config_data['gw_ip'] = re.sub('[0-9]+$','1',config_data['client_ip_pool']) - - 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 c.exists(['authentication', 'mppe']): - config_data['authentication']['mppe'] = c.return_value(['authentication', 'mppe']) - - return config_data - -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: - 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) - - tmpl = jinja2.Template(pptp_config, trim_blocks=True) - config_text = tmpl.render(c) - open(pptp_conf,'w').write(config_text) - - if c['authentication']['local-users']: - _write_chap_secrets(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) - return None - - if not os.path.exists(pidfile): - ret = subprocess.call(['/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') - else: - ### if gw ip changes, only restart doesn't work - _accel_cmd('restart') - sl.syslog(sl.LOG_NOTICE, "reloading config via daemon restart") - -if __name__ == '__main__': - try: - c = get_config() - verify(c) - generate(c) - apply(c) - except ConfigError as e: - print(e) - sys.exit(1) -- cgit v1.2.3