autotests: Add a stateless DHCPv6 test case
This commit is contained in:
Andrew Zaborowski
Denis Kenzior
parent
615e57c289
commit
5abf980b70
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#!/usr/bin/python3
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import unittest
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import sys
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sys.path.append('../util')
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import iwd
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from iwd import IWD
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from iwd import PSKAgent
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from iwd import NetworkType
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from hostapd import HostapdCLI
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import testutil
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from config import ctx
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import os
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import socket
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class Test(unittest.TestCase):
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def test_connection_success(self):
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def check_addr(device):
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try:
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testutil.test_ip_address_match(device.name, '3ffe:501:ffff:100::', 128, 64)
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except:
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return False
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return True
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def get_ll_addrs6(ns, ifname):
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show_ip = ns.start_process(['ip', 'addr', 'show', ifname])
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show_ip.wait()
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for l in show_ip.out.split('\n'):
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if 'inet6 fe80::' in l:
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return socket.inet_pton(socket.AF_INET6, l.split(None, 1)[1].split('/', 1)[0])
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return None
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IWD.copy_to_storage('auto.psk', name='ap-ns1.psk')
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wd = IWD(True)
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psk_agent = PSKAgent("secret123")
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wd.register_psk_agent(psk_agent)
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devices = wd.list_devices(1)
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device = devices[0]
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ordered_network = device.get_ordered_network('ap-ns1')
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self.assertEqual(ordered_network.type, NetworkType.psk)
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condition = 'not obj.connected'
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wd.wait_for_object_condition(ordered_network.network_object, condition)
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# Give the AP's interface time to set up addresses so that radvd can
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# reply to our Router Solicitation immediately.
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ctx.non_block_wait(lambda: False, 3, exception=False)
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ordered_network.network_object.connect()
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condition = 'obj.state == DeviceState.connected'
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wd.wait_for_object_condition(device, condition)
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testutil.test_iface_operstate()
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ctx.non_block_wait(check_addr, 10, device,
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exception=Exception("IPv6 address was not set"))
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# Cannot use test_ifaces_connected() across namespaces (implementation details)
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testutil.test_ip_connected(('192.168.1.10', ctx), ('192.168.1.1', self.ns1))
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ifname = str(device.name)
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router_ll_addr = get_ll_addrs6(self.ns1, self.hapd.ifname)
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expected_routes6 = {
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# Default router
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testutil.RouteInfo(gw=router_ll_addr, flags=3, ifname=ifname),
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# On-link prefixes
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testutil.RouteInfo(dst=socket.inet_pton(socket.AF_INET6, '3ffe:501:ffff:100::'), plen=64,
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flags=1, ifname=ifname),
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testutil.RouteInfo(dst=socket.inet_pton(socket.AF_INET6, '3ffe:501:ffff:200::'), plen=64,
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flags=1, ifname=ifname),
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}
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self.maxDiff = None
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self.assertEqual(expected_routes6, set(testutil.get_routes6(ifname)))
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rclog = open('/tmp/resolvconf.log', 'r')
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entries = rclog.readlines()
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rclog.close()
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expected_rclog = ['-a %s.dns\n' % (ifname,), 'nameserver 192.168.1.2\n',
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'nameserver 3ffe:501:ffff:100::2\n',
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'-a %s.domain\n' % (ifname,), 'search test1\n', 'search test2\n']
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# Every resolvconf -a run overwrites the previous settings. Check the last six lines
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# of our log since we care about the end result here.
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self.assertEqual(expected_rclog, entries[-6:])
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device.disconnect()
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condition = 'not obj.connected'
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wd.wait_for_object_condition(ordered_network.network_object, condition)
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wd.unregister_psk_agent(psk_agent)
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@classmethod
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def setUpClass(cls):
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def remove_lease4():
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try:
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os.remove('/tmp/dhcpd.leases')
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os.remove('/tmp/dhcpd.leases~')
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except:
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pass
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def remove_lease6():
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try:
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os.remove('/tmp/dhcpd6.leases')
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os.remove('/tmp/dhcpd6.leases~')
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except:
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pass
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cls.ns1 = ctx.get_namespace('ns1')
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cls.hapd = HostapdCLI('ap-ns1.conf')
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cls.ns1.start_process(['ip', 'addr','add', '192.168.1.1/17',
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'dev', cls.hapd.ifname]).wait()
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cls.ns1.start_process(['touch', '/tmp/dhcpd.leases']).wait()
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cls.dhcpd_pid = cls.ns1.start_process(['dhcpd', '-f', '-d', '-cf', '/tmp/dhcpd.conf',
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'-lf', '/tmp/dhcpd.leases',
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cls.hapd.ifname], cleanup=remove_lease4)
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cls.ns1.start_process(['ip', 'addr', 'add', '3ffe:501:ffff:100::1/72',
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'dev', cls.hapd.ifname]).wait()
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cls.ns1.start_process(['touch', '/tmp/dhcpd6.leases']).wait()
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cls.dhcpd6_pid = cls.ns1.start_process(['dhcpd', '-6', '-f', '-d',
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'-cf', '/tmp/dhcpd-v6.conf',
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'-lf', '/tmp/dhcpd6.leases',
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cls.hapd.ifname], cleanup=remove_lease6)
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cls.ns1.start_process(['sysctl',
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'net.ipv6.conf.' + cls.hapd.ifname + '.forwarding=1']).wait()
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config = open('/tmp/radvd.conf', 'w')
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config.write('interface ' + cls.hapd.ifname + ''' {
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AdvSendAdvert on;
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AdvManagedFlag off;
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AdvOtherConfigFlag on;
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# Test that the prefix with longer lifetime is selected.
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prefix 3ffe:501:ffff:100::/64 { AdvAutonomous on; AdvPreferredLifetime 3605; };
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prefix 3ffe:501:ffff:200::/64 { AdvAutonomous on; AdvPreferredLifetime 3600; };
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DNSSL test1 test2 { AdvDNSSLLifetime 3600; };
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};''')
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config.close()
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cls.radvd_pid = cls.ns1.start_process(['radvd', '-n', '-d5',
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'-p', '/tmp/radvd.pid', '-C', '/tmp/radvd.conf'])
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cls.orig_path = os.environ['PATH']
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os.environ['PATH'] = '/tmp/test-bin:' + os.environ['PATH']
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IWD.copy_to_storage('resolvconf', '/tmp/test-bin')
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@classmethod
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def tearDownClass(cls):
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IWD.clear_storage()
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cls.ns1.stop_process(cls.dhcpd_pid)
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cls.dhcpd_pid = None
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cls.ns1.stop_process(cls.dhcpd6_pid)
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cls.dhcpd6_pid = None
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cls.ns1.stop_process(cls.radvd_pid)
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cls.radvd_pid = None
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os.system('rm -rf /tmp/radvd.conf /tmp/test-bin')
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os.environ['PATH'] = cls.orig_path
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if __name__ == '__main__':
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unittest.main(exit=True)
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