AircrackIntervals.py

import subprocess, os, sys, time
from datetime import datetime

script_name = sys.argv[0]

# each experiment will be Nhours in duration
Nhours = 2

# each CSV file will be Nseconds in duration
Nseconds = 15
 
# figure out how many files there will be 
Nfiles = int((Nhours*3600)/Nseconds)

# create a unique file prefix for this experiment
date_prefix = datetime.now().strftime('%Y-%m-%d_%H-%m')

# create a dir for this experiment
wifi = "/wifi/"+date_prefix

import socket
hostname = socket.gethostname()
file_prefix = hostname+'_'+date_prefix

print wifi
print ["mkdir","-p",wifi]
subprocess.call(["mkdir","-p",wifi])

print("[%s] About to put card in monitor mode."%(script_name) )
subprocess.call(['ifconfig','wlan0','down'])
subprocess.call(['iwconfig','wlan0','mode','monitor'])
subprocess.call(['ifconfig','wlan0','up'])
print "Done."

for i in range(Nfiles):

    # construct the airodump command and pipe all its output to /dev/null so it doesn't blow up the syslog
    FNULL = open(os.devnull,'w')
    the_cmd = ['airodump-ng','wlan0','-w',file_prefix,'--output-format','csv']
 
    # call it
    p = subprocess.Popen(the_cmd,
            stdout=FNULL, stderr=subprocess.STDOUT,
            cwd=wifi)
 
    # wait for it
    time.sleep(Nseconds)

    # aaaaand bail 
    p.kill()
 
print("[%s] Success!"%(script_name) )