1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
#!/usr/bin/env python3
#
# Copyright (C) 2018-2024 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 os
from sys import exit
from vyos.config import Config
from vyos.configdict import get_accel_dict
from vyos.configdict import is_node_changed
from vyos.configverify import verify_interface_exists
from vyos.template import render
from vyos.utils.process import call
from vyos.utils.dict import dict_search
from vyos.accel_ppp_util import verify_accel_ppp_name_servers
from vyos.accel_ppp_util import verify_accel_ppp_wins_servers
from vyos.accel_ppp_util import verify_accel_ppp_authentication
from vyos.accel_ppp_util import verify_accel_ppp_ip_pool
from vyos.accel_ppp_util import get_pools_in_order
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'
def convert_pado_delay(pado_delay):
new_pado_delay = {'delays_without_sessions': [],
'delays_with_sessions': []}
for delay, sessions in pado_delay.items():
if not sessions:
new_pado_delay['delays_without_sessions'].append(delay)
else:
new_pado_delay['delays_with_sessions'].append((delay, int(sessions['sessions'])))
return new_pado_delay
def get_config(config=None):
if config:
conf = config
else:
conf = Config()
base = ['service', 'pppoe-server']
if not conf.exists(base):
return None
# retrieve common dictionary keys
pppoe = get_accel_dict(conf, base, pppoe_chap_secrets)
if dict_search('client_ip_pool', pppoe):
# Multiple named pools require ordered values T5099
pppoe['ordered_named_pools'] = get_pools_in_order(dict_search('client_ip_pool', pppoe))
if dict_search('pado_delay', pppoe):
pado_delay = dict_search('pado_delay', pppoe)
pppoe['pado_delay'] = convert_pado_delay(pado_delay)
# reload-or-restart does not implemented in accel-ppp
# use this workaround until it will be implemented
# https://phabricator.accel-ppp.org/T3
conditions = [is_node_changed(conf, base + ['client-ip-pool']),
is_node_changed(conf, base + ['client-ipv6-pool']),
is_node_changed(conf, base + ['interface'])]
if any(conditions):
pppoe.update({'restart_required': {}})
pppoe['server_type'] = 'pppoe'
return pppoe
def verify_pado_delay(pppoe):
if 'pado_delay' in pppoe:
pado_delay = pppoe['pado_delay']
delays_without_sessions = pado_delay['delays_without_sessions']
if 'disable' in delays_without_sessions:
raise ConfigError(
'Number of sessions must be specified for "pado-delay disable"'
)
if len(delays_without_sessions) > 1:
raise ConfigError(
f'Cannot add more then ONE pado-delay without sessions, '
f'but {len(delays_without_sessions)} were set'
)
if 'disable' in [delay[0] for delay in pado_delay['delays_with_sessions']]:
# need to sort delays by sessions to verify if there is no delay
# for sessions after disabling
sorted_pado_delay = sorted(pado_delay['delays_with_sessions'], key=lambda k_v: k_v[1])
last_delay = sorted_pado_delay[-1]
if last_delay[0] != 'disable':
raise ConfigError(
f'Cannot add pado-delay after disabled sessions, but '
f'"pado-delay {last_delay[0]} sessions {last_delay[1]}" was set'
)
def verify(pppoe):
if not pppoe:
return None
verify_accel_ppp_authentication(pppoe)
verify_accel_ppp_ip_pool(pppoe)
verify_accel_ppp_name_servers(pppoe)
verify_accel_ppp_wins_servers(pppoe)
verify_pado_delay(pppoe)
if 'interface' not in pppoe:
raise ConfigError('At least one listen interface must be defined!')
# Check is interface exists in the system
for interface in pppoe['interface']:
verify_interface_exists(pppoe, interface, warning_only=True)
return None
def generate(pppoe):
if not pppoe:
return None
render(pppoe_conf, 'accel-ppp/pppoe.config.j2', pppoe)
if dict_search('authentication.mode', pppoe) == 'local':
render(pppoe_chap_secrets, 'accel-ppp/chap-secrets.config_dict.j2',
pppoe, permission=0o640)
return None
def apply(pppoe):
systemd_service = 'accel-ppp@pppoe.service'
if not pppoe:
call(f'systemctl stop {systemd_service}')
for file in [pppoe_conf, pppoe_chap_secrets]:
if os.path.exists(file):
os.unlink(file)
return None
if 'restart_required' in pppoe:
call(f'systemctl restart {systemd_service}')
else:
call(f'systemctl reload-or-restart {systemd_service}')
if __name__ == '__main__':
try:
c = get_config()
verify(c)
generate(c)
apply(c)
except ConfigError as e:
print(e)
exit(1)
|
