regression.uts

% Regression tests for Scapy

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

############
############
+ Informations on Scapy

= Get conf
~ conf command
* Dump the current configuration
conf

IP().src

= List layers
~ conf command
ls()

= List commands
~ conf command
lsc()

= List contribs
import mock
result_list_contrib = ""
def test_list_contrib():
    def write(s):
        global result_list_contrib
        result_list_contrib += s
    mock_stdout = mock.Mock()
    mock_stdout.write = write
    bck_stdout = sys.stdout
    sys.stdout = mock_stdout
    list_contrib()
    sys.stdout = bck_stdout
    assert("http2               : HTTP/2 (RFC 7540, RFC 7541)              status=loads" in result_list_contrib)
    assert(result_list_contrib.split('\n') > 40)

test_list_contrib()

= Configuration
~ conf
conf.debug_dissector = True


############
############
+ Scapy functions tests

= Interface related functions

get_if_raw_hwaddr(conf.iface)

get_if_raw_addr(conf.iface).encode("hex")

def get_dummy_interface():
    """Returns a dummy network interface"""
    if WINDOWS:
        data = {}
        data["name"] = "dummy0"
        data["description"] = "Does not exist"
        data["win_index"] = -1
        data["guid"] = "{0XX00000-X000-0X0X-X00X-00XXXX000XXX}"
        data["invalid"] = True
        return NetworkInterface(data)
    else:
        return "dummy0"

get_if_raw_addr(get_dummy_interface())

get_if_list()

get_if_raw_addr6(conf.iface6)

= Test read_routes6() - default output

routes6 = read_routes6()
if WINDOWS:
    route_add_loopback(routes6, True)

# Expected results:
# - one route if there is only the loopback interface
# - three routes if there is a network interface

if len(routes6):
    iflist = get_if_list()
    if WINDOWS:
        route_add_loopback(ipv6=True, iflist=iflist)
    if iflist == [LOOPBACK_NAME]:
        len(routes6) == 1
    elif len(iflist) >= 2:
        len(routes6) >= 3
    else:
        False
else:
    # IPv6 seems disabled. Force a route to ::1
    conf.route6.routes.append(("::1", 128, "::", LOOPBACK_NAME, ["::1"]))
    True

= Test read_routes6() - check mandatory routes

if len(routes6):
    assert(len(filter(lambda r: r[0] == "::1" and r[-1] == ["::1"], routes6)) >= 1)
    if iflist >= 2:
        assert(len(filter(lambda r: r[0] == "fe80::" and r[1] == 64, routes6)) >= 1)
        len(filter(lambda r: in6_islladdr(r[0]) and r[1] == 128 and r[-1] == ["::1"], routes6)) >= 1
else:
    True

= Test ifchange()
conf.route6.ifchange(LOOPBACK_NAME, "::1/128")
True

= UTscapy route check
* Check that UTscapy has correctly replaced the routes. Many tests won't work otherwise

if WINDOWS:
    route_add_loopback()

IP().src
assert _ == "127.0.0.1"

############
############
+ Main.py tests

= Prepare emulator
import mock
from mock import Mock

if WINDOWS:
    # This fix when the windows doesn't have a size (run with a windows server)
    mock.patch("pyreadline.console.console.Console.size").return_value = (300, 300)

@mock.patch("scapy.config.conf.readfunc")
def emulate_main_input(data, mock_readfunc):
    global index
    index = 0 # reset var
    def readlineScapy(*args, **kargs):
        global index
        if len(data) == index:
            r_data = "exit(1 if hasattr(sys, 'last_value') and sys.last_value is not None else 0)"
        else:
            r_data = data[index]
        index +=1
        print r_data
        return r_data
    mock_readfunc.side_effect = readlineScapy
    def reduce_mock(self):
        return (Mock, ())
    mock_readfunc.__reduce__ = reduce_mock
    sys.argv = ['']
    def console_exit(code):
        raise SystemExit(code)
    exit_code = -1
    try:
        interact(mydict={"exit": console_exit})
    except SystemExit as e:
        exit_code = str(e)
        pass
    assert exit_code == "0"

= Test basic save_session, load_session and update_session

data = ["init_session(\"scapySession1\")",\
"test_value = \"8.8.8.8\"",\
"save_session()",\
"del test_value",\
"load_session()",\
"update_session()",\
"assert test_value == \"8.8.8.8\""]

emulate_main_input(data)

= Test save_session, load_session and update_session with fname

data = ["init_session(\"scapySession2\")",\
"test_value = 7",\
"save_session(fname=\"scapySaveSession.dat\")",\
"del test_value",\
"load_session(fname=\"scapySaveSession.dat\")",\
"update_session(fname=\"scapySaveSession.dat\")",\
"assert test_value == 7"]

emulate_main_input(data)

= Test pickling with packets

data = ["init_session(\"scapySession1\")",\
"test_value = IP(src=\"127.0.0.1\", dst=\"8.8.8.8\")",\
"test_value2 = ICMPv6EchoReply(data=\"testData@%!\")",\
"save_session()",\
"del test_value",\
"load_session()",\
"assert test_value.src == \"127.0.0.1\"",\
"assert test_value.dst == \"8.8.8.8\"",\
"assert test_value2.data == \"testData@%!\""]

emulate_main_input(data)