def start_sniffer(self, interface, hop_channels=True, fixed_channel=7):
self.running_interface = interface
try:
card = NetworkCard(interface)
if card.get_mode().lower() != 'monitor':
card.set_mode('monitor')
except:
print "[-] Could not set card to monitor mode. Card might be busy."
return
for plugin in self.plugins:
plugin.pre_scanning()
self.sniffer_running = True
self.sniffing_thread = Thread( target=self.sniff_packets)
self.sniffing_thread.start()
if hop_channels:
hopper_thread = Thread( target=self.hop_channels)
hopper_thread.start()
else:
try:
card = NetworkCard(interface)
card.set_channel(fixed_channel)
if card.get_channel() == fixed_channel:
print "[+] Set fixed channel to {}".format(fixed_channel)
else:
print "[-] Could not change channel, try unplugging your interface."
print "[/] Channel is on {}".format(card.get_channel())
except:
print "[-] Cannot set channel at the moment."
def hop_channels(self):
# Hop through channels to get find more beacons
try:
card = NetworkCard(self.running_interface)
while self.sniffer_running:
current_channel = card.get_channel()
if current_channel <= 12:
card.set_channel(current_channel + 1)
else:
card.set_channel(1)
sleep(1)
except Exception as e:
pass # The sniffer has already been aborted
