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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 re
import os
import unittest
from psutil import process_iter
from vyos.configsession import ConfigSession
from vyos.configsession import ConfigSessionError
from vyos.util import read_file
from vyos.util import process_named_running
from vyos.validate 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'
class TestServiceTFTPD(unittest.TestCase):
def setUp(self):
self.session = ConfigSession(os.getpid())
self.session.set(dummy_if_path + ['address', address_ipv4 + '/32'])
self.session.set(dummy_if_path + ['address', address_ipv6 + '/128'])
def tearDown(self):
self.session.delete(base_path)
self.session.delete(dummy_if_path)
self.session.commit()
del self.session
def test_01_tftpd_single(self):
directory = '/tmp'
port = '69' # default port
self.session.set(base_path + ['allow-upload'])
self.session.set(base_path + ['directory', directory])
self.session.set(base_path + ['listen-address', address_ipv4])
# commit changes
self.session.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 running process
self.assertTrue(process_named_running(PROCESS_NAME))
def test_02_tftpd_multi(self):
directory = '/tmp'
address = [address_ipv4, address_ipv6]
port = '70'
self.session.set(base_path + ['directory', directory])
for addr in address:
self.session.set(base_path + ['listen-address', addr])
self.session.set(base_path + ['port', port])
# commit changes
self.session.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))
if __name__ == '__main__':
unittest.main()
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