fragattacks/tests/hwsim/utils.py
Janusz Dziedzic 9cd6f4c015 tests: Pass apdev to hostapd.add_bss()
Pass apdev param to hostapd.add_bss(). Kill hardcoded phy param and get
phy base on apdev. These are needed to support operation with a remote
test host.

Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
2016-04-24 16:18:46 +03:00

105 lines
3.1 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
import remotehost
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)
def get_phy(ap, ifname=None):
phy = "phy3"
try:
hostname = ap['hostname']
except:
hostname = None
host = remotehost.Host(hostname)
if ifname == None:
ifname = ap['ifname']
status, buf = host.execute("iw dev " + ifname + " info")
if status != 0:
raise Exception("iw " + ifname + " info failed")
lines = buf.split("\n")
for line in lines:
if "wiphy" in line:
words = line.split()
phy = "phy" + words[1]
break
return phy