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
|
#!/usr/bin/env python3
#
# Copyright (C) 2019-2020 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
import os
import unittest
from vyos.configsession import ConfigSession
from vyos.configsession import ConfigSessionError
from vyos.util import cmd
from vyos.util import process_named_running
from vyos.util import read_file
PROCESS_NAME = 'sshd'
SSHD_CONF = '/run/ssh/sshd_config'
base_path = ['service', 'ssh']
vrf = 'ssh-test'
def get_config_value(key):
tmp = read_file(SSHD_CONF)
tmp = re.findall(f'\n?{key}\s+(.*)', tmp)
return tmp
class TestServiceSSH(unittest.TestCase):
def setUp(self):
self.session = ConfigSession(os.getpid())
# ensure we can also run this test on a live system - so lets clean
# out the current configuration :)
self.session.delete(base_path)
def tearDown(self):
# delete testing SSH config
self.session.delete(base_path)
# restore "plain" SSH access
self.session.set(base_path)
# delete VRF
self.session.delete(['vrf', 'name', vrf])
self.session.commit()
del self.session
def test_ssh_default(self):
# Check if SSH service runs with default settings - used for checking
# behavior of <defaultValue> in XML definition
self.session.set(base_path)
# commit changes
self.session.commit()
# Check configured port
port = get_config_value('Port')[0]
self.assertEqual('22', port)
# Check for running process
self.assertTrue(process_named_running(PROCESS_NAME))
def test_ssh_single_listen_address(self):
# Check if SSH service can be configured and runs
self.session.set(base_path + ['port', '1234'])
self.session.set(base_path + ['disable-host-validation'])
self.session.set(base_path + ['disable-password-authentication'])
self.session.set(base_path + ['loglevel', 'verbose'])
self.session.set(base_path + ['client-keepalive-interval', '100'])
self.session.set(base_path + ['listen-address', '127.0.0.1'])
# commit changes
self.session.commit()
# Check configured port
port = get_config_value('Port')[0]
self.assertTrue("1234" in port)
# Check DNS usage
dns = get_config_value('UseDNS')[0]
self.assertTrue("no" in dns)
# Check PasswordAuthentication
pwd = get_config_value('PasswordAuthentication')[0]
self.assertTrue("no" in pwd)
# Check loglevel
loglevel = get_config_value('LogLevel')[0]
self.assertTrue("VERBOSE" in loglevel)
# Check listen address
address = get_config_value('ListenAddress')[0]
self.assertTrue("127.0.0.1" in address)
# Check keepalive
keepalive = get_config_value('ClientAliveInterval')[0]
self.assertTrue("100" in keepalive)
# Check for running process
self.assertTrue(process_named_running(PROCESS_NAME))
def test_ssh_multiple_listen_addresses(self):
# Check if SSH service can be configured and runs with multiple
# listen ports and listen-addresses
ports = ['22', '2222']
for port in ports:
self.session.set(base_path + ['port', port])
addresses = ['127.0.0.1', '::1']
for address in addresses:
self.session.set(base_path + ['listen-address', address])
# commit changes
self.session.commit()
# Check configured port
tmp = get_config_value('Port')
for port in ports:
self.assertIn(port, tmp)
# Check listen address
tmp = get_config_value('ListenAddress')
for address in addresses:
self.assertIn(address, tmp)
# Check for running process
self.assertTrue(process_named_running(PROCESS_NAME))
def test_ssh_vrf(self):
# Check if SSH service can be bound to given VRF
port = '22'
self.session.set(base_path + ['port', port])
self.session.set(base_path + ['vrf', vrf])
# VRF does yet not exist - an error must be thrown
with self.assertRaises(ConfigSessionError):
self.session.commit()
self.session.set(['vrf', 'name', vrf, 'table', '1001'])
# commit changes
self.session.commit()
# Check configured port
tmp = get_config_value('Port')
self.assertIn(port, tmp)
# Check for running process
self.assertTrue(process_named_running(PROCESS_NAME))
# Check for process in VRF
tmp = cmd(f'ip vrf pids {vrf}')
self.assertIn(PROCESS_NAME, tmp)
if __name__ == '__main__':
unittest.main(verbosity=2)
|
