mock_windows.uts

% Regression tests on Windows only for Scapy

# More informations at http://www.secdev.org/projects/UTscapy/

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+ Networking tests

= Automaton - SelectableSelector system timeout

class TimeOutSelector(SelectableObject):
    def check_recv(self):
        return False

assert select_objects([TimeOutSelector()], 0) == []
assert select_objects([TimeOutSelector()], 1) == []

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+ Windows Networking tests

= Mocked read_routes6() calls

import mock
from scapy.arch.windows import _read_routes6_post2008

def check_mandatory_ipv6_routes(routes6):
    """Ensure that mandatory IPv6 routes are present."""
    if len([r for r in routes6 if r[0] == "::" and r[-1] == ["::1"]]) < 1:
        return False
    if len([r for r in routes6 if r[0] == "fe80::" and (r[1] == 64 or r[1] == 32)]) < 1:
        return False
    if len([r for r in routes6 if in6_islladdr(r[0]) and r[1] == 128]) < 1:
        return False
    return True

def dev_from_index_custom(if_index):
    if_list = [{'mac': 'D0:50:99:56:DD:F9', 'win_index': '13', 'guid': '{C56DFFB3-992C-4964-B000-3E7C0F76E8BA}', 'name': 'Killer E2200 Gigabit Ethernet Controller', 'description': 'Ethernet'}, {'mac': '00:FF:0E:C7:25:37', 'win_index': '3', 'guid': '{0EC72537-B662-4F5D-B34E-48BFAE799BBE}', 'name': 'TAP-Windows Adapter V9', 'description': 'Ethernet 2'}]
    values = {}
    for i in if_list:
        try:
            interface = NetworkInterface(i)
            values[interface.guid] = interface
        except (KeyError, PcapNameNotFoundError):
            pass
    for devname, iface in values.items():
        if iface.win_index == str(if_index):
            return iface
    raise ValueError("Unknown network interface index %r" % if_index)

@mock.patch("scapy.utils6.construct_source_candidate_set")
@mock.patch("scapy.arch.windows.winpcapy_get_if_list")
@mock.patch("scapy.arch.windows.dev_from_index")
@mock.patch("scapy.arch.windows.sp.Popen")
def test_read_routes6_windows(mock_comm, mock_dev_from_index, mock_winpcapylist, mock_utils6cset):
    """Test read_routes6() on Windows"""
    # 'Get-NetRoute -AddressFamily IPV6 | select ifIndex, DestinationPrefix, NextHop'
    get_net_route_output = """
ifIndex DestinationPrefix                          NextHop
------- -----------------                          -------
3 ff00::/8                                   ::
16 ff00::/8                                   ::
13 ff00::/8                                   ::
1 ff00::/8                                   ::
13 fe80::dc1d:24e8:af00:125e/128              ::
3 fe80::9402:5804:cb16:fb3b/128              ::
16 fe80::100:7f:fffe/128                      ::
3 fe80::/64                                  ::
16 fe80::/64                                  ::
13 fe80::/64                                  ::
13 2a01:e35:2f17:fe60:dc1d:24e8:af00:125e/128 ::
13 2a01:e35:2f17:fe60::/64                    ::
1 ::1/128                                    ::
13 ::/0                                       fe80::224:d4ff:fea0:a6d7
"""
    mock_comm.return_value.communicate.return_value = (get_net_route_output, "")
    mock_winpcapylist.return_value = [u'\\Device\\NPF_{0EC72537-B662-4F5D-B34E-48BFAE799BBE}', u'\\Device\\NPF_{C56DFFB3-992C-4964-B000-3E7C0F76E8BA}']
    # Mocked in6_getifaddr() output
    mock_dev_from_index.side_effect = dev_from_index_custom
    # Random
    mock_utils6cset.side_effect = lambda x,y,z: ["::1"] if x=="::" else ["fdbb:d995:ddd8:51fc::"]
    # Test the function
    routes = _read_routes6_post2008()
    for r in routes:
        print r
    print(len(routes))
    assert(len(routes) == 9)
    assert(check_mandatory_ipv6_routes(routes))


test_read_routes6_windows()


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+ Windows arch unit tests

= Test PowerShell availability
from scapy.config import conf
assert conf.prog.powershell != None

= Test all VBS fallback
import mock
from scapy.config import conf

ps_ip = get_ip_from_name(conf.iface.name)
ps_if_list = get_windows_if_list()
ps_read_routes = read_routes()

# Turn on VBS mode
conf.prog.powershell = None

# Test get_ip_from_name
assert get_ip_from_name(conf.iface.name) == ps_ip

# Test get_windows_if_list

def is_in_if_list(i, list):
    for j in list:
        if j["guid"] == i["guid"] and j["name"] == i["name"]:
            return True
    return False

vbs_if_list = get_windows_if_list()
_correct = True
for i in ps_if_list:
    if not is_in_if_list(i, vbs_if_list):
        _correct = False
        break

assert _correct

# Test read_routes

def is_in_route_list(i, list):
    for j in list:
        #Ignore all empty IP
        if j[4] == '' or i[4] == '':
            return True
        if j[2] == i[2] and j[4] == i[4] and j[3].guid == i[3].guid:
            return True
    return False

vbs_read_routes = read_routes()
_correct = True
for i in ps_read_routes:
    if not is_in_route_list(i, vbs_read_routes):
        _correct = False
        break

assert _correct

conf.prog._reload()

= show_interfaces

from scapy.arch import show_interfaces
from io import BytesIO

@mock.patch('sys.stdout', new_callable=BytesIO)
def test_show_interfaces(mock_stdout):
    show_interfaces()
    lines = mock_stdout.getvalue().split("\n")[1:]
    for l in lines:
        if not l.strip():
            continue
        try:
            int(l[:2])
        except:
            sys.stderr.write(l)
            return False
    return True

assert test_show_interfaces()

= dev_from_pcapname

from scapy.config import conf

assert dev_from_pcapname(conf.iface.pcap_name).guid == conf.iface.guid

= test pcap_service_status

status = pcap_service_status()
status
assert status[0] in ["npcap", "npf"]
assert status[2] == True

= test pcap_service_stop

pcap_service_stop()
assert pcap_service_status()[2] == False

= test pcap_service_start

pcap_service_start()
assert pcap_service_status()[2] == True