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fragattack: updated Ping test for fragmented broadcast

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Mathy 2020-06-13 12:38:27 -04:00 committed by Mathy Vanhoef
parent a5f498bda4
commit 0de3de94f3
1 changed files with 15 additions and 12 deletions
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27
research/tests_common.py
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@ -14,6 +14,20 @@ class PingTest(Test):
self.padding = None if opt == None else opt.padding
self.to_self = False if opt == None else opt.to_self
self.parse_meta_actions()
def parse_meta_actions(self):
# Create list of fragment numbers to be used
self.fragnums = []
next_fragnum = 0
for act in self.actions:
if act.is_meta(Action.MetaDrop):
next_fragnum += 1
elif act.action == Action.Inject:
self.fragnums.append(next_fragnum)
next_fragnum += 1
self.actions = list(filter(lambda act: not act.is_meta(Action.MetaDrop), self.actions))
def prepare(self, station):
log(STATUS, "Generating ping test", color="green")
@ -29,17 +43,6 @@ class PingTest(Test):
# Set A-MSDU flag but include a normal payload (fake A-MSDU)
header.Reserved = 1
# Create list of fragment numbers to be used
fragnums = []
next_fragnum = 0
for act in self.actions:
if act.is_meta(Action.MetaDrop):
next_fragnum += 1
elif act.action == Action.Inject:
fragnums.append(next_fragnum)
next_fragnum += 1
self.actions = list(filter(lambda act: not act.is_meta(Action.MetaDrop), self.actions))
# Generate all the individual (fragmented) frames
num_frags = len(self.get_actions(Action.Inject))
frames = create_fragments(header, request, num_frags)
@ -55,7 +58,7 @@ class PingTest(Test):
frame.addr1 = "ff:ff:ff:ff:ff:ff"
# Assign fragment numbers according to MetaDrop rules
frame.SC = (frame.SC & 0xfff0) | fragnums.pop(0)
frame.SC = (frame.SC & 0xfff0) | self.fragnums.pop(0)
frag.frame = frame