#!/usr/bin/env python3 """ NAME: lf_sniff_radio.py PURPOSE: THis script will sniff a Radio after changing the Radio settings. Radio settings: channel radio mode AUTO, 802.11a, 802.11b, etc... refer py-json/LANforge/set_wifi_radio.py for different modes EXAMPLE: python3 lf_sniff_radio.py --mgr localhost --mgr_port 8080 --outfile /home/lanforge/test_sniff.pcap --duration 20 --channel 52 --radio_mode AUTO --monitor_name moni0a """ import sys import os import importlib import argparse import time import paramiko sys.path.append(os.path.join(os.path.abspath(__file__ + "../../../"))) LFUtils = importlib.import_module("py-json.LANforge.LFUtils") realm = importlib.import_module("py-json.realm") Realm = realm.Realm class SniffRadio(Realm): def __init__(self, lfclient_host="localhost", lfclient_port=8080, radio="wiphy0", outfile="/home/lanforge/test_pcap.pcap", duration=60, channel=52, radio_mode="AUTO", debug_on_=False, monitor_name=None,): super().__init__(lfclient_host, lfclient_port) self.lfclient_host = lfclient_host self.lfclient_port = lfclient_port self.debug = debug_on_ # self.local_realm = realm.Realm(lfclient_host=self.lfclient_host, # lfclient_port=self.lfclient_port, # debug_=self.debug) self.monitor = self.new_wifi_monitor_profile() if channel != "AUTO": channel = int(channel) self.channel = channel self.duration = duration self.outfile = outfile self.mode = radio_mode self.radio = radio self.monitor_name = monitor_name self.freq = self.chan_to_freq[self.channel] def setup(self, ht40_value, ht80_value, ht160_value): # TODO: Store original channel settings so that radio can be set back to original values. self.monitor.set_flag(param_name="disable_ht40", value=ht40_value) self.monitor.set_flag(param_name="disable_ht80", value=ht80_value) self.monitor.set_flag(param_name="ht160_enable", value=ht160_value) self.monitor.create(radio_=self.radio, channel=self.channel, mode=self.mode, name_=self.monitor_name) def start(self): self.monitor.admin_up() LFUtils.wait_until_ports_appear(self.lfclient_url, self.monitor_name, debug=self.debug) # TODO: Use LFUtils.wait_until_ports_admin_up instead of sleep, check return code. # time.sleep(5) self.set_freq(ssh_root=self.lfclient_host, ssh_passwd='lanforge', freq=self.freq) self.monitor.start_sniff(capname=self.outfile, duration_sec=self.duration) for i in range(0, self.duration): print("started sniffer, PLease wait,", self.duration - i) time.sleep(1) print("Sniffing Completed Success", "Check ", self.outfile) self.monitor.admin_down() time.sleep(2) def set_freq(self, ssh_root, ssh_passwd, freq=0): cmd = f'. lanforge.profile\nsudo iw dev {self.monitor_name} set freq {freq}\n' cmd1 = f'iw dev {self.monitor_name} info' try: ssh = paramiko.SSHClient() ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy()) ssh.connect(ssh_root, 22, 'lanforge', ssh_passwd) time.sleep(10) stdout = ssh.exec_command(cmd, get_pty=True) stdout[0].write(f"{ssh_passwd}\n") stdout[0].flush() stdout = (stdout[1].readlines()) print(stdout, "----- set channel frequency") stdout = ssh.exec_command(cmd1) stdout = (stdout[1].readlines()) print(stdout, "----- channel frequency info") except paramiko.ssh_exception.NoValidConnectionsError as e: print("####", e, "####") exit(1) except TimeoutError as e: print("####", e, "####") exit(1) def cleanup(self): # TODO: Add error checking to make sure monitor port really went away. # TODO: Set radio back to original channel self.monitor.cleanup() def main(): parser = argparse.ArgumentParser( prog="lf_sniff_radio.py", formatter_class=argparse.RawTextHelpFormatter, usage= """./lf_sniff_radio.py --mgr localhost --mgr_port 8080 --radio wiphy0 --outfile /home/lanforge/test_sniff.pcap --duration 1 --channel 52 --radio_mode AUTO --monitor_name Sniffer0 """) parser.add_argument('--mgr', type=str, help='--mgr: IP Address of LANforge', default="localhost") parser.add_argument('--mgr_port', type=int, help='--mgr_port: HTTP Port of LANforge', default=8080) parser.add_argument('--radio', type=str, help='--radio: Radio to sniff', default="wiphy0") parser.add_argument('--outfile', type=str, help='--outfile: give the filename with path', default="/home/lanforge/test_pcap.pcap") parser.add_argument('--duration', type=int, help='--duration duration in sec, for which you want to capture', default=60) parser.add_argument('--channel', type=str, help='--channel Set channel pn selected Radio, [52, 56 ...]', default=0) parser.add_argument('--radio_mode', type=str, help='--radio_mode select the radio mode [AUTO, 802.11a, 802.11b, ' '802.11ab ...]', default="AUTO") parser.add_argument('--monitor_name', type=str, help='Wi-Fi monitor name', default="sniffer0") parser.add_argument('--disable_ht40', type=str, help='Enable/Disable \"disable_ht40\" [0-disable,1-enable]', default=0) parser.add_argument('--disable_ht80', type=str, help='Enable/Disable \"disable_ht80\" [0-disable,1-enable]', default=0) parser.add_argument('--ht160_enable', type=str, help='Enable/Disable \"ht160_enable\ [0-disable,1-enable]" ', default=0) args = parser.parse_args() obj = SniffRadio(lfclient_host=args.mgr, lfclient_port=args.mgr_port, outfile=args.outfile, duration=args.duration, channel=args.channel, radio=args.radio, radio_mode=args.radio_mode, monitor_name=args.monitor_name,) obj.setup(int(args.disable_ht40), int(args.disable_ht80), int(args.ht160_enable)) # TODO: Add wait-for logic instead of a sleep time.sleep(5) obj.start() obj.cleanup() # TODO: Check if passed or not. if __name__ == '__main__': main()