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pwnagotchi/pwnagotchi/mesh/wifi.py

38 lines
1.0 KiB
Python

SignatureAddress = 'de:ad:be:ef:de:ad'
BroadcastAddress = 'ff:ff:ff:ff:ff:ff'
Dot11ElemID_Whisper = 222
NumChannels = 140
def freq_to_channel(freq):
if freq <= 2472:
return int(((freq - 2412) / 5) + 1)
elif freq == 2484:
return int(14)
elif 5035 <= freq <= 5865:
return int(((freq - 5035) / 5) + 7)
else:
return 0
def encapsulate(payload, addr_from, addr_to=BroadcastAddress):
from scapy.all import Dot11, Dot11Beacon, Dot11Elt, RadioTap
radio = RadioTap()
dot11 = Dot11(type=0, subtype=8, addr1=addr_to, addr2=SignatureAddress, addr3=addr_from)
beacon = Dot11Beacon(cap='ESS')
frame = radio / dot11 / beacon
data_size = len(payload)
data_left = data_size
data_off = 0
chunk_size = 255
while data_left > 0:
sz = min(chunk_size, data_left)
chunk = payload[data_off: data_off + sz]
frame /= Dot11Elt(ID=Dot11ElemID_Whisper, info=chunk, len=sz)
data_off += sz
data_left -= sz
return frame