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#!/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 unittest
from psutil import process_iter
from base_vyostest_shim import VyOSUnitTestSHIM
from vyos.configsession import ConfigSessionError
from vyos.util import cmd
from vyos.util import read_file
from vyos.util import process_named_running
from vyos.template import is_ipv6
PROCESS_NAME = 'in.tftpd'
base_path = ['service', 'tftp-server']
dummy_if_path = ['interfaces', 'dummy', 'dum69']
address_ipv4 = '192.0.2.1'
address_ipv6 = '2001:db8::1'
vrf = 'mgmt'
class TestServiceTFTPD(VyOSUnitTestSHIM.TestCase):
@classmethod
def setUpClass(cls):
super(TestServiceTFTPD, cls).setUpClass()
# ensure we can also run this test on a live system - so lets clean
# out the current configuration :)
cls.cli_delete(cls, base_path)
cls.cli_set(cls, dummy_if_path + ['address', address_ipv4 + '/32'])
cls.cli_set(cls, dummy_if_path + ['address', address_ipv6 + '/128'])
@classmethod
def tearDownClass(cls):
cls.cli_delete(cls, dummy_if_path)
super(TestServiceTFTPD, cls).tearDownClass()
def tearDown(self):
# Check for running process
self.assertTrue(process_named_running(PROCESS_NAME))
self.cli_delete(base_path)
self.cli_commit()
# Check for no longer running process
self.assertFalse(process_named_running(PROCESS_NAME))
def test_01_tftpd_single(self):
directory = '/tmp'
port = '69' # default port
self.cli_set(base_path + ['allow-upload'])
self.cli_set(base_path + ['directory', directory])
self.cli_set(base_path + ['listen-address', address_ipv4])
# commit changes
self.cli_commit()
config = read_file('/etc/default/tftpd0')
# verify listen IP address
self.assertIn(f'{address_ipv4}:{port} -4', config)
# verify directory
self.assertIn(directory, config)
# verify upload
self.assertIn('--create --umask 000', config)
def test_02_tftpd_multi(self):
directory = '/tmp'
address = [address_ipv4, address_ipv6]
port = '70'
self.cli_set(base_path + ['directory', directory])
for addr in address:
self.cli_set(base_path + ['listen-address', addr])
self.cli_set(base_path + ['port', port])
# commit changes
self.cli_commit()
for idx in range(0, len(address)):
config = read_file(f'/etc/default/tftpd{idx}')
addr = address[idx]
# verify listen IP address
if is_ipv6(addr):
addr = f'[{addr}]'
self.assertIn(f'{addr}:{port} -6', config)
else:
self.assertIn(f'{addr}:{port} -4', config)
# verify directory
self.assertIn(directory, config)
# Check for running processes - one process is spawned per listen
# IP address, wheter it's IPv4 or IPv6
count = 0
for p in process_iter():
if PROCESS_NAME in p.name():
count += 1
self.assertEqual(count, len(address))
def test_03_tftpd_vrf(self):
directory = '/tmp'
port = '69' # default port
self.cli_set(base_path + ['allow-upload'])
self.cli_set(base_path + ['directory', directory])
self.cli_set(base_path + ['listen-address', address_ipv4, 'vrf', vrf])
# VRF does yet not exist - an error must be thrown
with self.assertRaises(ConfigSessionError):
self.cli_commit()
self.cli_set(['vrf', 'name', vrf, 'table', '1338'])
self.cli_set(dummy_if_path + ['vrf', vrf])
# commit changes
self.cli_commit()
config = read_file('/etc/default/tftpd0')
# verify listen IP address
self.assertIn(f'{address_ipv4}:{port} -4', config)
# verify directory
self.assertIn(directory, config)
# verify upload
self.assertIn('--create --umask 000', config)
# Check for process in VRF
tmp = cmd(f'ip vrf pids {vrf}')
self.assertIn(PROCESS_NAME, tmp)
# delete VRF
self.cli_delete(dummy_if_path + ['vrf'])
self.cli_delete(['vrf', 'name', vrf])
if __name__ == '__main__':
unittest.main(verbosity=2)
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