#!/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 . 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 ca_cert = '/config/auth/eapol_test_ca.pem' ssl_cert = '/config/auth/eapol_test_server.pem' ssl_key = '/config/auth/eapol_test_server.key' 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.BaseTest): @classmethod def setUpClass(cls): cls._test_ip = True cls._test_ipv6 = True cls._test_ipv6_pd = 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') def tearDown(self): 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.session.delete(self._base_path + [interface]) self.session.set(self._base_path + [interface, 'duplex', 'auto']) self.session.set(self._base_path + [interface, 'speed', 'auto']) self.session.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.session.delete(['interfaces', section, span]) self.session.commit() del self.session 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.session.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.session.set(self._base_path + [interface, 'address', 'dhcp']) self.session.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.session.set(self._base_path + [interface, 'offload', 'rps']) self.session.commit() for interface in self._interfaces: cpus = read_file('/sys/class/net/eth1/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.session.set(unknonw_interface) # check validate() - interface does not exist with self.assertRaises(ConfigSessionError): self.session.commit() # we need to remove this wrong interface from the configuration # manually, else tearDown() will have problem in commit() self.session.delete(unknonw_interface) def test_speed_duplex_verify(self): for interface in self._interfaces: self.session.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.session.commit() self.session.set(self._base_path + [interface, 'speed', 'auto']) self.session.commit() def test_eapol_support(self): for interface in self._interfaces: # Enable EAPoL self.session.set(self._base_path + [interface, 'eapol', 'ca-cert-file', ca_cert]) self.session.set(self._base_path + [interface, 'eapol', 'cert-file', ssl_cert]) self.session.set(self._base_path + [interface, 'eapol', 'key-file', ssl_key]) self.session.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'"{ca_cert}"', tmp) tmp = get_wpa_supplicant_value(interface, 'client_cert') self.assertEqual(f'"{ssl_cert}"', tmp) tmp = get_wpa_supplicant_value(interface, 'private_key') self.assertEqual(f'"{ssl_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__': # Our SSL certificates need a subject ... subject = '/C=DE/ST=BY/O=VyOS/localityName=Cloud/commonName=vyos/' \ 'organizationalUnitName=VyOS/emailAddress=maintainers@vyos.io/' if not (os.path.isfile(ssl_key) and os.path.isfile(ssl_cert)): # Generate mandatory SSL certificate tmp = f'openssl req -newkey rsa:4096 -new -nodes -x509 -days 3650 '\ f'-keyout {ssl_key} -out {ssl_cert} -subj {subject}' cmd(tmp) if not os.path.isfile(ca_cert): # Generate "CA" tmp = f'openssl req -new -x509 -key {ssl_key} -out {ca_cert} -subj {subject}' cmd(tmp) for file in [ca_cert, ssl_cert, ssl_key]: cmd(f'sudo chown radius_priv_user:vyattacfg {file}') unittest.main(verbosity=2)