diff options
Diffstat (limited to 'src/conf_mode/service_pppoe-server.py')
| -rwxr-xr-x | src/conf_mode/service_pppoe-server.py | 476 |
1 files changed, 97 insertions, 379 deletions
diff --git a/src/conf_mode/service_pppoe-server.py b/src/conf_mode/service_pppoe-server.py index 45d3806d5..65a7f93b0 100755 --- a/src/conf_mode/service_pppoe-server.py +++ b/src/conf_mode/service_pppoe-server.py @@ -15,372 +15,82 @@ # along with this program. If not, see <http://www.gnu.org/licenses/>. import os -import re -from copy import deepcopy -from stat import S_IRUSR, S_IWUSR, S_IRGRP from sys import exit from vyos.config import Config -from vyos.template import render -from vyos.util import call, get_half_cpus +from vyos.configdict import dict_merge from vyos.validate import is_ipv4 +from vyos.template import render +from vyos.util import call +from vyos.util import get_half_cpus +from vyos.util import vyos_dict_search +from vyos.xml import defaults from vyos import ConfigError - from vyos import airbag airbag.enable() pppoe_conf = r'/run/accel-pppd/pppoe.conf' pppoe_chap_secrets = r'/run/accel-pppd/pppoe.chap-secrets' -default_config_data = { - 'auth_mode': 'local', - 'auth_proto': ['auth_mschap_v2', 'auth_mschap_v1', 'auth_chap_md5', 'auth_pap'], - 'chap_secrets_file': pppoe_chap_secrets, # used in Jinja2 template - 'client_ip_pool': '', - 'client_ip_subnets': [], - 'client_ipv6_pool': [], - 'client_ipv6_delegate_prefix': [], - 'concentrator': 'vyos-ac', - 'interfaces': [], - 'local_users' : [], - - 'svc_name': [], - 'dnsv4': [], - 'dnsv6': [], - 'wins': [], - 'mtu': '1492', - - 'limits_burst': '', - 'limits_connections': '', - 'limits_timeout': '', - - 'pado_delay': '', - 'ppp_ccp': False, - 'ppp_gw': '', - 'ppp_ipv4': '', - 'ppp_ipv6': '', - 'ppp_ipv6_accept_peer_intf_id': False, - 'ppp_ipv6_intf_id': '', - 'ppp_ipv6_peer_intf_id': '', - 'ppp_echo_failure': '3', - 'ppp_echo_interval': '30', - 'ppp_echo_timeout': '0', - 'ppp_min_mtu': '', - 'ppp_mppe': 'prefer', - 'ppp_mru': '', - - 'radius_server': [], - 'radius_acct_tmo': '3', - 'radius_max_try': '3', - 'radius_timeout': '3', - 'radius_nas_id': '', - 'radius_nas_ip': '', - 'radius_source_address': '', - 'radius_shaper_attr': '', - 'radius_shaper_vendor': '', - 'radius_dynamic_author': '', - 'sesscrtl': 'replace', - 'snmp': False, - 'thread_cnt': get_half_cpus() -} - def get_config(config=None): if config: conf = config else: conf = Config() - base_path = ['service', 'pppoe-server'] - if not conf.exists(base_path): + base = ['service', 'pppoe-server'] + if not conf.exists(base): return None - conf.set_level(base_path) - pppoe = deepcopy(default_config_data) - - # general options - if conf.exists(['access-concentrator']): - pppoe['concentrator'] = conf.return_value(['access-concentrator']) - - if conf.exists(['service-name']): - pppoe['svc_name'] = conf.return_values(['service-name']) - - if conf.exists(['interface']): - for interface in conf.list_nodes(['interface']): - conf.set_level(base_path + ['interface', interface]) - tmp = { - 'name': interface, - 'vlans': [] - } - - if conf.exists(['vlan-id']): - tmp['vlans'] += conf.return_values(['vlan-id']) - - if conf.exists(['vlan-range']): - tmp['vlans'] += conf.return_values(['vlan-range']) - - pppoe['interfaces'].append(tmp) - - conf.set_level(base_path) - - if conf.exists(['local-ip']): - pppoe['ppp_gw'] = conf.return_value(['local-ip']) - - if conf.exists(['name-server']): - for name_server in conf.return_values(['name-server']): - if is_ipv4(name_server): - pppoe['dnsv4'].append(name_server) - else: - pppoe['dnsv6'].append(name_server) - - if conf.exists(['wins-server']): - pppoe['wins'] = conf.return_values(['wins-server']) - - - 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']) - pppoe['client_ip_pool'] = start + '-' + re.search('[0-9]+$', stop).group(0) - - if conf.exists(['client-ip-pool', 'subnet']): - pppoe['client_ip_subnets'] = conf.return_values(['client-ip-pool', 'subnet']) - - - if conf.exists(['client-ipv6-pool', 'prefix']): - for prefix in conf.list_nodes(['client-ipv6-pool', 'prefix']): - tmp = { - 'prefix': prefix, - 'mask': '64' - } - - if conf.exists(['client-ipv6-pool', 'prefix', prefix, 'mask']): - tmp['mask'] = conf.return_value(['client-ipv6-pool', 'prefix', prefix, 'mask']) - - pppoe['client_ipv6_pool'].append(tmp) - - - if conf.exists(['client-ipv6-pool', 'delegate']): - for prefix in conf.list_nodes(['client-ipv6-pool', 'delegate']): - tmp = { - 'prefix': prefix, - 'mask': '' - } - - if conf.exists(['client-ipv6-pool', 'delegate', prefix, 'delegation-prefix']): - tmp['mask'] = conf.return_value(['client-ipv6-pool', 'delegate', prefix, 'delegation-prefix']) - - pppoe['client_ipv6_delegate_prefix'].append(tmp) - - - if conf.exists(['limits']): - if conf.exists(['limits', 'burst']): - pppoe['limits_burst'] = conf.return_value(['limits', 'burst']) - - if conf.exists(['limits', 'connection-limit']): - pppoe['limits_connections'] = conf.return_value(['limits', 'connection-limit']) - - if conf.exists(['limits', 'timeout']): - pppoe['limits_timeout'] = conf.return_value(['limits', 'timeout']) - - - if conf.exists(['snmp']): - pppoe['snmp'] = True - - if conf.exists(['snmp', 'master-agent']): - pppoe['snmp'] = 'enable-ma' - - # authentication mode local - if conf.exists(['authentication', 'mode']): - pppoe['auth_mode'] = conf.return_value(['authentication', 'mode']) - - 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 conf.exists(['rate-limit', 'upload']): - user['upload'] = conf.return_value(['rate-limit', 'upload']) - - pppoe['local_users'].append(user) - - conf.set_level(base_path) - - if conf.exists(['authentication', 'protocols']): - auth_mods = { - 'mschap-v2': 'auth_mschap_v2', - 'mschap': 'auth_mschap_v1', - 'chap': 'auth_chap_md5', - 'pap': 'auth_pap' - } - - pppoe['auth_proto'] = [] - for proto in conf.return_values(['authentication', 'protocols']): - pppoe['auth_proto'].append(auth_mods[proto]) - - # - # authentication mode radius servers and settings - if conf.exists(['authentication', 'mode', 'radius']): - - for server in conf.list_nodes(['authentication', 'radius', 'server']): - radius = { - 'server' : server, - 'key' : '', - 'fail_time' : 0, - 'port' : '1812', - 'acct_port' : '1813' - } - - 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(['acct-port']): - radius['acct_port'] = conf.return_value(['acct-port']) - - if conf.exists(['key']): - radius['key'] = conf.return_value(['key']) - - if not conf.exists(['disable']): - pppoe['radius_server'].append(radius) - - # - # advanced radius-setting - conf.set_level(base_path + ['authentication', 'radius']) - - if conf.exists(['acct-timeout']): - pppoe['radius_acct_tmo'] = conf.return_value(['acct-timeout']) - - if conf.exists(['max-try']): - pppoe['radius_max_try'] = conf.return_value(['max-try']) - - if conf.exists(['timeout']): - pppoe['radius_timeout'] = conf.return_value(['timeout']) - - if conf.exists(['nas-identifier']): - pppoe['radius_nas_id'] = conf.return_value(['nas-identifier']) - - if conf.exists(['nas-ip-address']): - pppoe['radius_nas_ip'] = conf.return_value(['nas-ip-address']) - - if conf.exists(['source-address']): - pppoe['radius_source_address'] = conf.return_value(['source-address']) - - # Dynamic Authorization Extensions (DOA)/Change Of Authentication (COA) - if conf.exists(['dynamic-author']): - dae = { - 'port' : '', - 'server' : '', - 'key' : '' - } - - if conf.exists(['dynamic-author', 'server']): - dae['server'] = conf.return_value(['dynamic-author', 'server']) - - 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']) - - pppoe['radius_dynamic_author'] = dae - - # RADIUS based rate-limiter - if conf.exists(['rate-limit', 'enable']): - pppoe['radius_shaper_attr'] = 'Filter-Id' - c_attr = ['rate-limit', 'enable', 'attribute'] - if conf.exists(c_attr): - pppoe['radius_shaper_attr'] = conf.return_value(c_attr) - - c_vendor = ['rate-limit', 'enable', 'vendor'] - if conf.exists(c_vendor): - pppoe['radius_shaper_vendor'] = conf.return_value(c_vendor) - - # re-set config level - conf.set_level(base_path) - - if conf.exists(['mtu']): - pppoe['mtu'] = conf.return_value(['mtu']) - - if conf.exists(['session-control']): - pppoe['sesscrtl'] = conf.return_value(['session-control']) - - # ppp_options - if conf.exists(['ppp-options']): - conf.set_level(base_path + ['ppp-options']) - - if conf.exists(['ccp']): - pppoe['ppp_ccp'] = True - - if conf.exists(['ipv4']): - pppoe['ppp_ipv4'] = conf.return_value(['ipv4']) - - if conf.exists(['ipv6']): - pppoe['ppp_ipv6'] = conf.return_value(['ipv6']) - - if conf.exists(['ipv6-accept-peer-intf-id']): - pppoe['ppp_ipv6_peer_intf_id'] = True - - if conf.exists(['ipv6-intf-id']): - pppoe['ppp_ipv6_intf_id'] = conf.return_value(['ipv6-intf-id']) - - if conf.exists(['ipv6-peer-intf-id']): - pppoe['ppp_ipv6_peer_intf_id'] = conf.return_value(['ipv6-peer-intf-id']) - - if conf.exists(['lcp-echo-failure']): - pppoe['ppp_echo_failure'] = conf.return_value(['lcp-echo-failure']) - - if conf.exists(['lcp-echo-failure']): - pppoe['ppp_echo_interval'] = conf.return_value(['lcp-echo-failure']) - - if conf.exists(['lcp-echo-timeout']): - pppoe['ppp_echo_timeout'] = conf.return_value(['lcp-echo-timeout']) - - if conf.exists(['min-mtu']): - pppoe['ppp_min_mtu'] = conf.return_value(['min-mtu']) - - if conf.exists(['mppe']): - pppoe['ppp_mppe'] = conf.return_value(['mppe']) - - if conf.exists(['mru']): - pppoe['ppp_mru'] = conf.return_value(['mru']) - - if conf.exists(['pado-delay']): - pppoe['pado_delay'] = '0' - a = {} - for id in conf.list_nodes(['pado-delay']): - if not conf.return_value(['pado-delay', id, 'sessions']): - a[id] = 0 - else: - a[id] = conf.return_value(['pado-delay', id, 'sessions']) - - for k in sorted(a.keys()): - if k != sorted(a.keys())[-1]: - pppoe['pado_delay'] += ",{0}:{1}".format(k, a[k]) - else: - pppoe['pado_delay'] += ",{0}:{1}".format('-1', a[k]) + pppoe = conf.get_config_dict(base, key_mangling=('-', '_'), get_first_key=True) + # We have gathered the dict representation of the CLI, but there are default + # options which we need to update into the dictionary retrived. + default_values = defaults(base) + + # defaults include RADIUS server specifics per TAG node which need to be + # added to individual RADIUS servers instead - so we can simply delete them + if vyos_dict_search('authentication.radius.server', default_values): + del default_values['authentication']['radius']['server'] + # defaults include static-ip address per TAG node which need to be added to + # individual local users instead - so we can simply delete them + if vyos_dict_search('authentication.local_users.username', default_values): + del default_values['authentication']['local_users']['username'] + + pppoe = dict_merge(default_values, pppoe) + + # set CPUs cores to process requests + pppoe.update({'thread_count' : get_half_cpus()}) + # we need to store the path to the secrets file + pppoe.update({'chap_secrets_file' : pppoe_chap_secrets}) + + # We can only have two IPv4 and three IPv6 nameservers - also they are + # configured in a different way in the configuration, this is why we split + # the configuration + if 'name_server' in pppoe: + for ns in pppoe['name_server']: + ns_v4 = [] + ns_v6 = [] + if is_ipv4(ns): ns_v4.append(ns) + else: ns_v6.append(ns) + + pppoe.update({'name_server_ipv4' : ns_v4, 'name_server_ipv6' : ns_v6}) + del pppoe['name_server'] + + # Add individual RADIUS server default values + if vyos_dict_search('authentication.radius.server', pppoe): + default_values = defaults(base + ['authentication', 'radius', 'server']) + + for server in vyos_dict_search('authentication.radius.server', pppoe): + pppoe['authentication']['radius']['server'][server] = dict_merge( + default_values, pppoe['authentication']['radius']['server'][server]) + + # Add individual local-user default values + if vyos_dict_search('authentication.local_users.username', pppoe): + default_values = defaults(base + ['authentication', 'local_users', 'username']) + + for username in vyos_dict_search('authentication.local_users.username', pppoe): + pppoe['authentication']['local_users']['username'][username] = dict_merge( + default_values, pppoe['authentication']['local_users']['username'][username]) return pppoe @@ -390,50 +100,59 @@ def verify(pppoe): return None # vertify auth settings - if pppoe['auth_mode'] == 'local': - if not pppoe['local_users']: + if vyos_dict_search('authentication.mode', pppoe) == 'local': + if not vyos_dict_search('authentication.local_users', pppoe): raise ConfigError('PPPoE local auth mode requires local users to be configured!') - for user in pppoe['local_users']: - username = user['name'] - if not user['password']: - raise ConfigError(f'Password required for local user "{username}"') + for user in vyos_dict_search('authentication.local_users.username', pppoe): + user_config = pppoe['authentication']['local_users']['username'][user] - # if up/download is set, check that both have a value - if user['upload'] and not user['download']: - raise ConfigError(f'Download speed value required for local user "{username}"') + if 'password' not in user_config: + raise ConfigError(f'Password required for local user "{user}"') - if user['download'] and not user['upload']: - raise ConfigError(f'Upload speed value required for local user "{username}"') + if 'rate_limit' in user_config: + # if up/download is set, check that both have a value + if not {'upload', 'download'} <= set(user_config['rate_limit']): + raise ConfigError(f'User "{user}" has rate-limit configured for only one ' \ + 'direction but both upload and download must be given!') - elif pppoe['auth_mode'] == 'radius': - if len(pppoe['radius_server']) == 0: + elif vyos_dict_search('authentication.mode', pppoe) == 'radius': + if not vyos_dict_search('authentication.radius.server', pppoe): raise ConfigError('RADIUS authentication requires at least one server') - for radius in pppoe['radius_server']: - if not radius['key']: - server = radius['server'] - raise ConfigError(f'Missing RADIUS secret key for server "{ server }"') + for server in vyos_dict_search('authentication.radius.server', pppoe): + radius_config = pppoe['authentication']['radius']['server'][server] + if 'key' not in radius_config: + raise ConfigError(f'Missing RADIUS secret key for server "{server}"') - if len(pppoe['wins']) > 2: + if 'wins_server' in pppoe and len(pppoe['wins_server']) > 2: raise ConfigError('Not more then two IPv4 WINS name-servers can be configured') - if len(pppoe['dnsv4']) > 2: - raise ConfigError('Not more then two IPv4 DNS name-servers can be configured') + if 'name_server_ipv4' in pppoe: + if len(pppoe['name_server_ipv4']) > 2: + raise ConfigError('Not more then two IPv4 DNS name-servers ' \ + 'can be configured') - if len(pppoe['dnsv6']) > 3: - raise ConfigError('Not more then three IPv6 DNS name-servers can be configured') + if 'name_server_ipv6' in pppoe: + if len(pppoe['name_server_ipv6']) > 2: + raise ConfigError('Not more then three IPv6 DNS name-servers ' \ + 'can be configured') - if not pppoe['interfaces']: + if 'interface' not in pppoe: raise ConfigError('At least one listen interface must be defined!') + if 'local_ip' not in pppoe: + raise ConfigError('PPPoE server requires local-ip to be configured!') + # local ippool and gateway settings config checks - if pppoe['client_ip_subnets'] or pppoe['client_ip_pool']: - if not pppoe['ppp_gw']: - raise ConfigError('PPPoE server requires local IP to be configured') + if not (vyos_dict_search('client_ip_pool.subnet', pppoe) or + (vyos_dict_search('client_ip_pool.start', pppoe) and + vyos_dict_search('client_ip_pool.stop', pppoe))): + print('Warning: No PPPoE client pool defined') - if pppoe['ppp_gw'] and not pppoe['client_ip_subnets'] and not pppoe['client_ip_pool']: - print("Warning: No PPPoE client pool defined") + if vyos_dict_search('authentication.radius.dynamic_author.server', pppoe): + if not vyos_dict_search('authentication.radius.dynamic_author.key', pppoe): + raise ConfigError('DA/CoE server key required!') return None @@ -444,12 +163,11 @@ def generate(pppoe): render(pppoe_conf, 'accel-ppp/pppoe.config.tmpl', pppoe, trim_blocks=True) - if pppoe['local_users']: - render(pppoe_chap_secrets, 'accel-ppp/chap-secrets.tmpl', pppoe, trim_blocks=True) - os.chmod(pppoe_chap_secrets, S_IRUSR | S_IWUSR | S_IRGRP) + if vyos_dict_search('authentication.mode', pppoe) == 'local': + render(pppoe_chap_secrets, 'accel-ppp/chap-secrets.pppoe.tmpl', pppoe, trim_blocks=True, permission=0o640) else: if os.path.exists(pppoe_chap_secrets): - os.unlink(pppoe_chap_secrets) + os.unlink(pppoe_chap_secrets) return None |