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#!/usr/bin/env python3
#
# Copyright (C) 2020-2021 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
import re
import unittest
from base_interfaces_test import BasicInterfaceTest
from vyos.configsession import ConfigSessionError
from vyos.ifconfig import Section
from vyos.util import cmd
from vyos.util import process_named_running
from vyos.util import read_file
pki_path = ['pki']
cert_data = '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'
key_data = 'MIGHAgEAMBMGByqGSM49AgEGCCqGSM49AwEHBG0wawIBAQQgPLpD0Ohhoq0g4nhx2KMIuze7ucKUt/lBEB2wc03IxXyhRANCAATTUestw222qrj8+2gy5rysxYSQ50G7u8/3jHMM7sDwL3aWzW/zp54/LhCWUoLMjDdDEEigK4fal4ZF9aA9F0Ww'
def get_wpa_supplicant_value(interface, key):
tmp = read_file(f'/run/wpa_supplicant/{interface}.conf')
tmp = re.findall(r'\n?{}=(.*)'.format(key), tmp)
return tmp[0]
class EthernetInterfaceTest(BasicInterfaceTest.TestCase):
@classmethod
def setUpClass(cls):
cls._test_ip = True
cls._test_ipv6 = True
cls._test_ipv6_pd = True
cls._test_ipv6_dhcpc6 = True
cls._test_mtu = True
cls._test_vlan = True
cls._test_qinq = True
cls._base_path = ['interfaces', 'ethernet']
cls._mirror_interfaces = ['dum21354']
# we need to filter out VLAN interfaces identified by a dot (.)
# in their name - just in case!
if 'TEST_ETH' in os.environ:
tmp = os.environ['TEST_ETH'].split()
cls._interfaces = tmp
else:
for tmp in Section.interfaces('ethernet'):
if not '.' in tmp:
cls._interfaces.append(tmp)
cls._macs = {}
for interface in cls._interfaces:
cls._macs[interface] = read_file(f'/sys/class/net/{interface}/address')
# call base-classes classmethod
super(cls, cls).setUpClass()
def tearDown(self):
self.cli_delete(pki_path)
for interface in self._interfaces:
# when using a dedicated interface to test via TEST_ETH environment
# variable only this one will be cleared in the end - usable to test
# ethernet interfaces via SSH
self.cli_delete(self._base_path + [interface])
self.cli_set(self._base_path + [interface, 'duplex', 'auto'])
self.cli_set(self._base_path + [interface, 'speed', 'auto'])
self.cli_set(self._base_path + [interface, 'hw-id', self._macs[interface]])
# Tear down mirror interfaces for SPAN (Switch Port Analyzer)
for span in self._mirror_interfaces:
section = Section.section(span)
self.cli_delete(['interfaces', section, span])
self.cli_commit()
def test_dhcp_disable_interface(self):
# When interface is configured as admin down, it must be admin down
# even when dhcpc starts on the given interface
for interface in self._interfaces:
self.cli_set(self._base_path + [interface, 'disable'])
# Also enable DHCP (ISC DHCP always places interface in admin up
# state so we check that we do not start DHCP client.
# https://phabricator.vyos.net/T2767
self.cli_set(self._base_path + [interface, 'address', 'dhcp'])
self.cli_commit()
# Validate interface state
for interface in self._interfaces:
flags = read_file(f'/sys/class/net/{interface}/flags')
self.assertEqual(int(flags, 16) & 1, 0)
def test_offloading_rps(self):
# enable RPS on all available CPUs, RPS works woth a CPU bitmask,
# where each bit represents a CPU (core/thread). The formula below
# expands to rps_cpus = 255 for a 8 core system
rps_cpus = (1 << os.cpu_count()) -1
# XXX: we should probably reserve one core when the system is under
# high preasure so we can still have a core left for housekeeping.
# This is done by masking out the lowst bit so CPU0 is spared from
# receive packet steering.
rps_cpus &= ~1
for interface in self._interfaces:
self.cli_set(self._base_path + [interface, 'offload', 'rps'])
self.cli_commit()
for interface in self._interfaces:
cpus = read_file(f'/sys/class/net/{interface}/queues/rx-0/rps_cpus')
# remove the nasty ',' separation on larger strings
cpus = cpus.replace(',','')
cpus = int(cpus, 16)
self.assertEqual(f'{cpus:x}', f'{rps_cpus:x}')
def test_non_existing_interface(self):
unknonw_interface = self._base_path + ['eth667']
self.cli_set(unknonw_interface)
# check validate() - interface does not exist
with self.assertRaises(ConfigSessionError):
self.cli_commit()
# we need to remove this wrong interface from the configuration
# manually, else tearDown() will have problem in commit()
self.cli_delete(unknonw_interface)
def test_speed_duplex_verify(self):
for interface in self._interfaces:
self.cli_set(self._base_path + [interface, 'speed', '1000'])
# check validate() - if either speed or duplex is not auto, the
# other one must be manually configured, too
with self.assertRaises(ConfigSessionError):
self.cli_commit()
self.cli_set(self._base_path + [interface, 'speed', 'auto'])
self.cli_commit()
def test_eapol_support(self):
self.cli_set(pki_path + ['ca', 'eapol', 'certificate', cert_data])
self.cli_set(pki_path + ['certificate', 'eapol', 'certificate', cert_data])
self.cli_set(pki_path + ['certificate', 'eapol', 'private', 'key', key_data])
for interface in self._interfaces:
# Enable EAPoL
self.cli_set(self._base_path + [interface, 'eapol', 'ca-certificate', 'eapol'])
self.cli_set(self._base_path + [interface, 'eapol', 'certificate', 'eapol'])
self.cli_commit()
# Check for running process
self.assertTrue(process_named_running('wpa_supplicant'))
# Validate interface config
for interface in self._interfaces:
tmp = get_wpa_supplicant_value(interface, 'key_mgmt')
self.assertEqual('IEEE8021X', tmp)
tmp = get_wpa_supplicant_value(interface, 'eap')
self.assertEqual('TLS', tmp)
tmp = get_wpa_supplicant_value(interface, 'eapol_flags')
self.assertEqual('0', tmp)
tmp = get_wpa_supplicant_value(interface, 'ca_cert')
self.assertEqual(f'"/run/wpa_supplicant/{interface}_ca.pem"', tmp)
tmp = get_wpa_supplicant_value(interface, 'client_cert')
self.assertEqual(f'"/run/wpa_supplicant/{interface}_cert.pem"', tmp)
tmp = get_wpa_supplicant_value(interface, 'private_key')
self.assertEqual(f'"/run/wpa_supplicant/{interface}_cert.key"', tmp)
mac = read_file(f'/sys/class/net/{interface}/address')
tmp = get_wpa_supplicant_value(interface, 'identity')
self.assertEqual(f'"{mac}"', tmp)
if __name__ == '__main__':
unittest.main(verbosity=2)
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