diff options
Diffstat (limited to 'src/conf_mode/accel_sstp.py')
| -rwxr-xr-x | src/conf_mode/accel_sstp.py | 469 |
1 files changed, 0 insertions, 469 deletions
diff --git a/src/conf_mode/accel_sstp.py b/src/conf_mode/accel_sstp.py deleted file mode 100755 index 1317a32db..000000000 --- a/src/conf_mode/accel_sstp.py +++ /dev/null @@ -1,469 +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 <http://www.gnu.org/licenses/>. -# -# - -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_sstp.pid' -sstp_cnf_dir = r'/etc/accel-ppp/sstp' -chap_secrets = sstp_cnf_dir + '/chap-secrets' -sstp_conf = sstp_cnf_dir + '/sstp.config' -ssl_cert_dir = r'/config/user-data/sstp' - -### config path creation -if not os.path.exists(sstp_cnf_dir): - os.makedirs(sstp_cnf_dir) - sl.syslog(sl.LOG_NOTICE, sstp_cnf_dir + " created") - -if not os.path.exists(ssl_cert_dir): - os.makedirs(ssl_cert_dir) - sl.syslog(sl.LOG_NOTICE, ssl_cert_dir + " created") - -sstp_config = ''' -### generated by accel_sstp.py ### -[modules] -log_syslog -sstp -ippool -shaper -{% if authentication['mode'] == 'local' %} -chap-secrets -{% endif -%} -{% for proto in authentication['auth_proto'] %} -{{proto}} -{% endfor %} -{% if authentication['mode'] == 'radius' %} -radius -{% endif %} - -[core] -thread-count={{thread_cnt}} - -[common] -single-session=replace - -[log] -syslog=accel-sstp,daemon -copy=1 -level=5 - -[client-ip-range] -disable - -[sstp] -verbose=1 -accept=ssl -{% if certs %} -ssl-ca-file=/config/user-data/sstp/{{certs['ca']}} -ssl-pemfile=/config/user-data/sstp/{{certs['server-cert']}} -ssl-keyfile=/config/user-data/sstp/{{certs['server-key']}} -{% endif %} - -{%if ip_pool %} -[ip-pool] -gw-ip-address={{gw}} -{% for sn in ip_pool %} -{{sn}} -{% endfor %} -{% endif %} - -{% if dnsv4 %} -[dns] -{% if dnsv4['primary'] %} -dns1={{dnsv4['primary']}} -{% endif -%} -{% if dnsv4['secondary'] %} -dns2={{dnsv4['secondary']}} -{% endif -%} -{% endif %} - -{% if authentication['mode'] == 'local' %} -[chap-secrets] -chap-secrets=/etc/accel-ppp/sstp/chap-secrets -{% endif %} - -{%- if authentication['mode'] == 'radius' %} -[radius] -verbose=1 -{% for rsrv in authentication['radius-srv']: %} -server={{rsrv}},{{authentication['radius-srv'][rsrv]['secret']}},\ -req-limit={{authentication['radius-srv'][rsrv]['req-limit']}},\ -fail-time={{authentication['radius-srv'][rsrv]['fail-time']}} -{% endfor -%} -{% if authentication['radiusopt']['acct-timeout'] %} -acct-timeout={{authentication['radiusopt']['acct-timeout']}} -{% endif -%} -{% if authentication['radiusopt']['timeout'] %} -timeout={{authentication['radiusopt']['timeout']}} -{% endif -%} -{% if authentication['radiusopt']['max-try'] %} -max-try={{authentication['radiusopt']['max-try']}} -{% endif -%} -{% if authentication['radiusopt']['nas-id'] %} -nas-identifier={{authentication['radiusopt']['nas-id']}} -{% endif -%} -{% if authentication['radiusopt']['nas-ip'] %} -nas-ip-address={{authentication['radiusopt']['nas-ip']}} -{% endif -%} -{% if authentication['radiusopt']['dae-srv'] %} -dae-server={{authentication['radiusopt']['dae-srv']['ip-addr']}}:\ -{{authentication['radiusopt']['dae-srv']['port']}},\ -{{authentication['radiusopt']['dae-srv']['secret']}} -{% endif -%} -{% endif %} - -[ppp] -verbose=1 -check-ip=1 -{% if mtu %} -mtu={{mtu}} -{% endif -%} -{% if ppp['mppe'] %} -mppe={{ppp['mppe']}} -{% endif -%} -{% if ppp['lcp-echo-interval'] %} -lcp-echo-interval={{ppp['lcp-echo-interval']}} -{% endif -%} -{% if ppp['lcp-echo-failure'] %} -lcp-echo-failure={{ppp['lcp-echo-failure']}} -{% endif -%} -{% if ppp['lcp-echo-timeout'] %} -lcp-echo-timeout={{ppp['lcp-echo-timeout']}} -{% endif %} - -{% if authentication['radiusopt']['shaper'] %} -[shaper] -verbose=1 -attr={{authentication['radiusopt']['shaper']['attr']}} -{% if authentication['radiusopt']['shaper']['vendor'] %} -vendor={{authentication['radiusopt']['shaper']['vendor']}} -{% endif -%} -{% endif %} - -[cli] -tcp=127.0.0.1:2005 -''' - -### sstp chap secrets -chap_secrets_conf = ''' -# username server password acceptable local IP addresses shaper -{% for user in authentication['local-users'] %} -{% if authentication['local-users'][user]['state'] == 'enabled' %} -{% if (authentication['local-users'][user]['upload']) and (authentication['local-users'][user]['download']) %} -{{user}}\t*\t{{authentication['local-users'][user]['passwd']}}\t{{authentication['local-users'][user]['ip']}}\t\ -{{authentication['local-users'][user]['download']}}/{{authentication['local-users'][user]['upload']}} -{% else %} -{{user}}\t*\t{{authentication['local-users'][user]['passwd']}}\t{{authentication['local-users'][user]['ip']}} -{% endif %} -{% endif %} -{% endfor %} -''' -### -# 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", 2005)) - s.close() - break - except ConnectionRefusedError: - time.sleep(0.5) - cnt +=1 - if cnt == 100: - raise("failed to start sstp 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','2005',cmd]).decode().strip() - return ret - except: - return 1 - -#### check ig local-ip is in client pool subnet - - -### -# inline helper functions end -### - -def get_config(): - c = Config() - if not c.exists('service sstp-server'): - return None - - c.set_level('service sstp-server') - - config_data = { - 'authentication' : { - 'local-users' : { - }, - 'mode' : 'local', - 'auth_proto' : [], - 'radius-srv' : {}, - 'radiusopt' : {}, - 'dae-srv' : {} - }, - 'certs' : { - 'ca' : None, - 'server-key' : None, - 'server-cert' : None - }, - 'ip_pool' : [], - 'gw' : None, - 'dnsv4' : {}, - 'mtu' : None, - 'ppp' : {}, - } - - ### local auth - if c.exists('authentication mode local'): - if c.exists('authentication local-users'): - for usr in c.list_nodes('authentication local-users username'): - config_data['authentication']['local-users'].update( - { - usr : { - 'passwd' : None, - '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') - - if c.exists('authentication protocols'): - auth_mods = {'pap' : 'pap','chap' : 'auth_chap_md5', 'mschap' : 'auth_mschap_v1', 'mschap-v2' : 'auth_mschap_v2'} - for proto in c.return_values('authentication protocols'): - config_data['authentication']['auth_proto'].append(auth_mods[proto]) - else: - config_data['authentication']['auth_proto'] = ['auth_mschap_v2'] - - #### RADIUS auth and settings - if c.exists('authentication mode radius'): - config_data['authentication']['mode'] = c.return_value('authentication mode') - if c.exists('authentication radius-server'): - for rsrv in c.list_nodes('authentication radius-server'): - config_data['authentication']['radius-srv'][rsrv] = {} - if c.exists('authentication radius-server ' + rsrv + ' secret'): - config_data['authentication']['radius-srv'][rsrv]['secret'] = c.return_value('authentication radius-server ' + rsrv + ' secret') - else: - config_data['authentication']['radius-srv'][rsrv]['secret'] = None - if c.exists('authentication radius-server ' + rsrv + ' fail-time'): - config_data['authentication']['radius-srv'][rsrv]['fail-time'] = c.return_value('authentication radius-server ' + rsrv + ' fail-time') - else: - config_data['authentication']['radius-srv'][rsrv]['fail-time'] = 0 - if c.exists('authentication radius-server ' + rsrv + ' req-limit'): - config_data['authentication']['radius-srv'][rsrv]['req-limit'] = c.return_value('authentication radius-server ' + rsrv + ' req-limit') - else: - config_data['authentication']['radius-srv'][rsrv]['req-limit'] = 0 - - #### advanced radius-setting - if c.exists('authentication radius-settings'): - if c.exists('authentication radius-settings acct-timeout'): - config_data['authentication']['radiusopt']['acct-timeout'] = c.return_value('authentication radius-settings acct-timeout') - if c.exists('authentication radius-settings max-try'): - config_data['authentication']['radiusopt']['max-try'] = c.return_value('authentication radius-settings max-try') - if c.exists('authentication radius-settings timeout'): - config_data['authentication']['radiusopt']['timeout'] = c.return_value('authentication radius-settings timeout') - if c.exists('authentication radius-settings nas-identifier'): - config_data['authentication']['radiusopt']['nas-id'] = c.return_value('authentication radius-settings nas-identifier') - if c.exists('authentication radius-settings nas-ip-address'): - config_data['authentication']['radiusopt']['nas-ip'] = c.return_value('authentication radius-settings nas-ip-address') - if c.exists('authentication radius-settings dae-server'): - config_data['authentication']['radiusopt'].update( - { - 'dae-srv' : { - 'ip-addr' : c.return_value('authentication radius-settings dae-server ip-address'), - 'port' : c.return_value('authentication radius-settings dae-server port'), - 'secret' : str(c.return_value('authentication radius-settings dae-server secret')) - } - } - ) - if c.exists('authentication radius-settings rate-limit enable'): - if not c.exists('authentication radius-settings rate-limit attribute'): - config_data['authentication']['radiusopt']['shaper'] = { 'attr' : 'Filter-Id' } - else: - config_data['authentication']['radiusopt']['shaper'] = { - 'attr' : c.return_value('authentication radius-settings rate-limit attribute') - } - if c.exists('authentication radius-settings rate-limit vendor'): - config_data['authentication']['radiusopt']['shaper']['vendor'] = c.return_value('authentication radius-settings rate-limit vendor') - - if c.exists('sstp-settings ssl-certs ca'): - config_data['certs']['ca'] = c.return_value('sstp-settings ssl-certs ca') - if c.exists('sstp-settings ssl-certs server-cert'): - config_data['certs']['server-cert'] = c.return_value('sstp-settings ssl-certs server-cert') - if c.exists('sstp-settings ssl-certs server-key'): - config_data['certs']['server-key'] = c.return_value('sstp-settings ssl-certs server-key') - - if c.exists('network-settings client-ip-settings subnet'): - config_data['ip_pool'] = c.return_values('network-settings client-ip-settings subnet') - if c.exists('network-settings client-ip-settings gateway-address'): - config_data['gw'] = c.return_value('network-settings client-ip-settings gateway-address') - if c.exists('network-settings dns-server primary-dns'): - config_data['dnsv4']['primary'] = c.return_value('network-settings dns-server primary-dns') - if c.exists('network-settings dns-server secondary-dns'): - config_data['dnsv4']['secondary'] = c.return_value('network-settings dns-server secondary-dns') - if c.exists('network-settings mtu'): - config_data['mtu'] = c.return_value('network-settings mtu') - - #### ppp - if c.exists('ppp-settings mppe'): - config_data['ppp']['mppe'] = c.return_value('ppp-settings mppe') - if c.exists('ppp-settings lcp-echo-failure'): - config_data['ppp']['lcp-echo-failure'] = c.return_value('ppp-settings lcp-echo-failure') - if c.exists('ppp-settings lcp-echo-interval'): - config_data['ppp']['lcp-echo-interval'] = c.return_value('ppp-settings lcp-echo-interval') - if c.exists('ppp-settings lcp-echo-timeout'): - config_data['ppp']['lcp-echo-timeout'] = c.return_value('ppp-settings lcp-echo-timeout') - - return config_data - -def verify(c): - if c == None: - return None - ### vertify auth settings - if c['authentication']['mode'] == 'local': - if not c['authentication']['local-users']: - raise ConfigError('sstp-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 up/download is set, check that both have a value - if c['authentication']['local-users'][usr]['upload']: - if not c['authentication']['local-users'][usr]['download']: - raise ConfigError('user ' + usr + ' requires download speed value') - if c['authentication']['local-users'][usr]['download']: - if not c['authentication']['local-users'][usr]['upload']: - raise ConfigError('user ' + usr + ' requires upload speed value') - - if not c['certs']['ca'] or not c['certs']['server-key'] or not c['certs']['server-cert']: - raise ConfigError('service sstp-server sstp-settings ssl-certs needs the ssl certificates set up') - else: - ssl_path = ssl_cert_dir + '/' - if not os.path.exists(ssl_path + c['certs']['ca']): - raise ConfigError('CA {0} doesn\'t exist'.format(ssl_path + c['certs']['ca'])) - if not os.path.exists(ssl_path + c['certs']['server-cert']): - raise ConfigError('SSL Cert {0} doesn\'t exist'.format(ssl_path + c['certs']['server-cert'])) - if not os.path.exists(ssl_path + c['certs']['server-cert']): - raise ConfigError('SSL Key {0} doesn\'t exist'.format(ssl_path + c['certs']['server-key'])) - - if c['authentication']['mode'] == 'radius': - if len(c['authentication']['radius-srv']) == 0: - raise ConfigError('service sstp-server authentication radius-server needs a value') - for rsrv in c['authentication']['radius-srv']: - if c['authentication']['radius-srv'][rsrv]['secret'] == None: - raise ConfigError('service sstp-server authentication radius-server {0} secret requires a value'.format(rsrv)) - - if c['authentication']['mode'] == 'local': - if not c['ip_pool']: - print ("WARNING: service sstp-server network-settings client-ip-settings subnet requires a value") - if not c['gw']: - print ("WARNING: service sstp-server network-settings client-ip-settings gateway-address requires a value") - -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(sstp_config, trim_blocks=True) - config_text = tmpl.render(c) - open(sstp_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',sstp_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: - 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) |