mirror of
https://github.com/vanhoefm/fragattacks.git
synced 2024-11-25 08:48:31 -05:00
83 lines
2.6 KiB
Python
83 lines
2.6 KiB
Python
# Testing utilities
|
|
# Copyright (c) 2013-2015, Jouni Malinen <j@w1.fi>
|
|
#
|
|
# This software may be distributed under the terms of the BSD license.
|
|
# See README for more details.
|
|
|
|
import os
|
|
import time
|
|
|
|
def get_ifnames():
|
|
ifnames = []
|
|
with open("/proc/net/dev", "r") as f:
|
|
lines = f.readlines()
|
|
for l in lines:
|
|
val = l.split(':', 1)
|
|
if len(val) == 2:
|
|
ifnames.append(val[0].strip(' '))
|
|
return ifnames
|
|
|
|
class HwsimSkip(Exception):
|
|
def __init__(self, reason):
|
|
self.reason = reason
|
|
def __str__(self):
|
|
return self.reason
|
|
|
|
class alloc_fail(object):
|
|
def __init__(self, dev, count, funcs):
|
|
self._dev = dev
|
|
self._count = count
|
|
self._funcs = funcs
|
|
def __enter__(self):
|
|
cmd = "TEST_ALLOC_FAIL %d:%s" % (self._count, self._funcs)
|
|
if "OK" not in self._dev.request(cmd):
|
|
raise HwsimSkip("TEST_ALLOC_FAIL not supported")
|
|
def __exit__(self, type, value, traceback):
|
|
if type is None:
|
|
if self._dev.request("GET_ALLOC_FAIL") != "0:%s" % self._funcs:
|
|
raise Exception("Allocation failure did not trigger")
|
|
|
|
class fail_test(object):
|
|
def __init__(self, dev, count, funcs):
|
|
self._dev = dev
|
|
self._count = count
|
|
self._funcs = funcs
|
|
def __enter__(self):
|
|
cmd = "TEST_FAIL %d:%s" % (self._count, self._funcs)
|
|
if "OK" not in self._dev.request(cmd):
|
|
raise HwsimSkip("TEST_FAIL not supported")
|
|
def __exit__(self, type, value, traceback):
|
|
if type is None:
|
|
if self._dev.request("GET_FAIL") != "0:%s" % self._funcs:
|
|
raise Exception("Test failure did not trigger")
|
|
|
|
def wait_fail_trigger(dev, cmd, note="Failure not triggered"):
|
|
for i in range(0, 40):
|
|
if dev.request(cmd).startswith("0:"):
|
|
break
|
|
if i == 39:
|
|
raise Exception(note)
|
|
time.sleep(0.05)
|
|
|
|
def require_under_vm():
|
|
with open('/proc/1/cmdline', 'r') as f:
|
|
cmd = f.read()
|
|
if "inside.sh" not in cmd:
|
|
raise HwsimSkip("Not running under VM")
|
|
|
|
def iface_is_in_bridge(bridge, ifname):
|
|
fname = "/sys/class/net/"+ifname+"/brport/bridge"
|
|
if not os.path.exists(fname):
|
|
return False
|
|
if not os.path.islink(fname):
|
|
return False
|
|
truebridge = os.path.basename(os.readlink(fname))
|
|
if bridge == truebridge:
|
|
return True
|
|
return False
|
|
|
|
def skip_with_fips(dev, reason="Not supported in FIPS mode"):
|
|
res = dev.get_capability("fips")
|
|
if res and 'FIPS' in res:
|
|
raise HwsimSkip(reason)
|