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tests: Fix peerkey_sniffer_check with newer Wireshark version

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Wireshark renamed eapol.keydes.key_info to
wlan_rsna_eapol.keydes.key_info and that broke this test case when
upgrading Wireshark. Fix this by trying to use both the new and the old
name.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2016-12-25 00:38:52 +02:00
parent 6219943d57
commit 2db07d16bf
2 changed files with 25 additions and 5 deletions
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23
tests/hwsim/test_peerkey.py
View file

@ -65,9 +65,26 @@ def test_peerkey_sniffer_check(dev, apdev, params):
addr0 = dev[0].own_addr()
addr1 = dev[1].own_addr()
out = run_tshark(os.path.join(params['logdir'], "hwsim0.pcapng"),
"eapol.type == 3",
display=["wlan.sa", "wlan.da", "eapol.keydes.key_info"])
# Wireshark renamed the EAPOL-Key key_info field, so need to try both the
# new and the old name to work with both versions.
try_other = False
try:
out = run_tshark(os.path.join(params['logdir'], "hwsim0.pcapng"),
"eapol.type == 3",
display=["wlan.sa", "wlan.da",
"wlan_rsna_eapol.keydes.key_info"])
except Exception, e:
if "Unknown tshark field" in str(e):
try_other = True
pass
else:
raise
if try_other:
out = run_tshark(os.path.join(params['logdir'], "hwsim0.pcapng"),
"eapol.type == 3",
display=["wlan.sa", "wlan.da",
"eapol.keydes.key_info"],
wait=False)
smk = [ False, False, False, False, False ]
stk = [ False, False, False, False ]

7
tests/hwsim/tshark.py
View file

@ -34,15 +34,18 @@ def run_tshark(filename, filter, display=None, wait=True):
else:
arg.append('-V')
cmd = subprocess.Popen(arg, stdout=subprocess.PIPE,
stderr=open('/dev/null', 'w'))
stderr=subprocess.PIPE)
except Exception, e:
logger.info("Could run run tshark check: " + str(e))
cmd = None
return None
out = cmd.communicate()[0]
output = cmd.communicate()
out = output[0]
res = cmd.wait()
if res == 1:
if "Some fields aren't valid" in output[1]:
raise Exception("Unknown tshark field")
# remember this for efficiency
_tshark_filter_arg = '-R'
arg[3] = '-R'