python 2.7 - Scapy for collecting RSSI -


i using following python script collect rssi on monitor mode. rssi values stored in csv file.

from scapy.all import * import csv   outputf = open("script1.csv","wb") writer = csv.writer(outputf) writer.writerow(("rssi","address","info")) packet_count = 0 def packethandler(pkt) :       global packet_count     packet_count+=1          if pkt.haslayer(dot11) :     if pkt.type == 0 , pkt.subtype == 8 :       if pkt.haslayer(dot11beacon) or pkt.haslayer(dot11proberesp):         try:             = pkt.notdecoded             rssi = -(256-ord(extra[-4:-3]))         except:             rssi = -100              print packet_count, ": wifi signal strength:", rssi, "dbm of", pkt.addr2, pkt.info     writer.writerow((rssi,pkt.addr2,pkt.info))   sniff(iface = "mon0", prn = packethandler, count = 12) print packet_count outputf.close()

i rssi values info field packets blank (while gives ap identifiers others). tell me sends packets ?


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