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
|
#!/usr/bin/env python3
#
# Copyright (C) 2022 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 re
from sys import argv
from sys import exit
from vyos.configtree import ConfigTree
from vyos.template import is_ipv4
from vyos.template import is_ipv6
if (len(argv) < 1):
print("Must specify file name!")
exit(1)
file_name = argv[1]
with open(file_name, 'r') as f:
config_file = f.read()
base = ['vpn', 'ipsec']
config = ConfigTree(config_file)
if not config.exists(base):
# Nothing to do
exit(0)
# IKE changes, T4118:
if config.exists(base + ['ike-group']):
for ike_group in config.list_nodes(base + ['ike-group']):
# replace 'ipsec ike-group <tag> mobike disable'
# => 'ipsec ike-group <tag> disable-mobike'
mobike = base + ['ike-group', ike_group, 'mobike']
if config.exists(mobike):
if config.return_value(mobike) == 'disable':
config.set(base + ['ike-group', ike_group, 'disable-mobike'])
config.delete(mobike)
# replace 'ipsec ike-group <tag> ikev2-reauth yes'
# => 'ipsec ike-group <tag> ikev2-reauth'
reauth = base + ['ike-group', ike_group, 'ikev2-reauth']
if config.exists(reauth):
if config.return_value(reauth) == 'yes':
config.delete(reauth)
config.set(reauth)
else:
config.delete(reauth)
# ESP changes
# replace 'ipsec esp-group <tag> compression enable'
# => 'ipsec esp-group <tag> compression'
if config.exists(base + ['esp-group']):
for esp_group in config.list_nodes(base + ['esp-group']):
compression = base + ['esp-group', esp_group, 'compression']
if config.exists(compression):
if config.return_value(compression) == 'enable':
config.delete(compression)
config.set(compression)
else:
config.delete(compression)
# PEER changes
if config.exists(base + ['site-to-site', 'peer']):
for peer in config.list_nodes(base + ['site-to-site', 'peer']):
peer_base = base + ['site-to-site', 'peer', peer]
# replace: 'peer <tag> id x'
# => 'peer <tag> local-id x'
if config.exists(peer_base + ['authentication', 'id']):
config.rename(peer_base + ['authentication', 'id'], 'local-id')
# For the peer '@foo' set remote-id 'foo' if remote-id is not defined
if peer.startswith('@'):
if not config.exists(peer_base + ['authentication', 'remote-id']):
tmp = peer.replace('@', '')
config.set(peer_base + ['authentication', 'remote-id'], value=tmp)
# replace: 'peer <tag> force-encapsulation enable'
# => 'peer <tag> force-udp-encapsulation'
force_enc = peer_base + ['force-encapsulation']
if config.exists(force_enc):
if config.return_value(force_enc) == 'enable':
config.delete(force_enc)
config.set(peer_base + ['force-udp-encapsulation'])
else:
config.delete(force_enc)
# add option: 'peer <tag> remote-address x.x.x.x'
remote_address = peer
if peer.startswith('@'):
remote_address = 'any'
config.set(peer_base + ['remote-address'], value=remote_address)
# Peer name it is swanctl connection name and shouldn't contain dots or colons
# rename peer:
# peer 192.0.2.1 => peer peer_192-0-2-1
# peer 2001:db8::2 => peer peer_2001-db8--2
# peer @foo => peer peer_foo
re_peer_name = re.sub(':|\.', '-', peer)
if re_peer_name.startswith('@'):
re_peer_name = re.sub('@', '', re_peer_name)
new_peer_name = f'peer_{re_peer_name}'
config.rename(peer_base, new_peer_name)
# remote-access/road-warrior changes
if config.exists(base + ['remote-access', 'connection']):
for connection in config.list_nodes(base + ['remote-access', 'connection']):
ra_base = base + ['remote-access', 'connection', connection]
# replace: 'remote-access connection <tag> authentication id x'
# => 'remote-access connection <tag> authentication local-id x'
if config.exists(ra_base + ['authentication', 'id']):
config.rename(ra_base + ['authentication', 'id'], 'local-id')
try:
with open(file_name, 'w') as f:
f.write(config.to_string())
except OSError as e:
print(f'Failed to save the modified config: {e}')
exit(1)
|
