diff options
Diffstat (limited to 'src/conf_mode/vpn_sstp.py')
| -rwxr-xr-x | src/conf_mode/vpn_sstp.py | 573 |
1 files changed, 310 insertions, 263 deletions
diff --git a/src/conf_mode/vpn_sstp.py b/src/conf_mode/vpn_sstp.py index e0ebb2ad9..05bf65fde 100755 --- a/src/conf_mode/vpn_sstp.py +++ b/src/conf_mode/vpn_sstp.py @@ -32,14 +32,14 @@ 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 +# 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") + 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") + os.makedirs(ssl_cert_dir) + sl.syslog(sl.LOG_NOTICE, ssl_cert_dir + " created") sstp_config = ''' ### generated by vpn_sstp.py ### @@ -163,7 +163,7 @@ vendor={{authentication['radiusopt']['shaper']['vendor']}} tcp=127.0.0.1:2005 ''' -### sstp chap secrets +# sstp chap secrets chap_secrets_conf = ''' # username server password acceptable local IP addresses shaper {% for user in authentication['local-users'] %} @@ -184,40 +184,46 @@ chap_secrets_conf = ''' # 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 + 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') + 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 + 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 +# check ig local-ip is in client pool subnet ### @@ -225,243 +231,284 @@ def accel_cmd(cmd=''): ### def get_config(): - base_path = ['vpn', 'sstp'] - c = Config() - if not c.exists(base_path): - return None - - c.set_level(base_path) - - 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 name-server'): - config_data['dnsv4'] = c.return_values('network-settings name-server') - 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 + base_path = ['vpn', 'sstp'] + c = Config() + if not c.exists(base_path): + return None + + c.set_level(base_path) + + 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 name-server'): + config_data['dnsv4'] = c.return_values('network-settings name-server') + 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 len(c['dnsv4']) > 2: - raise ConfigError("Only 2 DNS name-servers can be configured") - - 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") + 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 len(c['dnsv4']) > 2: + raise ConfigError("Only 2 DNS name-servers can be configured") + + 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 + 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) + # 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) - 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) - if c['authentication']['local-users']: - write_chap_secrets(c) + 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) - 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 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) + try: + c = get_config() + verify(c) + generate(c) + apply(c) + except ConfigError as e: + print(e) + sys.exit(1) |