Files
wlan-lanforge-scripts/py-scripts/lf_pcap.py
anil-tegala 04120f3265 check rsn capabilities added
Signed-off-by: anil-tegala <anil.tegala@candelatech.com>
2022-08-04 21:26:30 +05:30

536 lines
24 KiB
Python

#!/usr/bin/env python3
"""
NAME: lf_pcap.py
PURPOSE:
Common Library for reading pcap files and check packet information for specific filters
SETUP: This script requires pyshark and tshark to be installed before
EXAMPLE:
see: /py-scritps/lf_pcap_test.py for example
COPYWRITE
Copyright 2021 Candela Technologies Inc
License: Free to distribute and modify. LANforge systems must be licensed.
INCLUDE_IN_README
"""
import os
import sys
import argparse
import time
import pyshark as ps
import importlib
from datetime import datetime
sys.path.append(os.path.join(os.path.abspath(__file__ + "../../../")))
wifi_monitor = importlib.import_module("py-json.wifi_monitor_profile")
WiFiMonitor = wifi_monitor.WifiMonitor
lfcli_base = importlib.import_module("py-json.LANforge.lfcli_base")
LFCliBase = lfcli_base.LFCliBase
realm = importlib.import_module("py-json.realm")
Realm = realm.Realm
cv_test_reports = importlib.import_module("py-json.cv_test_reports")
lf_report = cv_test_reports.lanforge_reports
class LfPcap(Realm):
def __init__(self,
host="localhost", port=8080,
_read_pcap_file=None,
_apply_filter=None,
_live_pcap_interface=None,
_live_cap_timeout=None,
_live_filter=None,
_live_remote_cap_host=None,
_live_remote_cap_interface=None,
_debug_on=False,
_pcap_name=None
):
super().__init__(lfclient_host=host, lfclient_port=port, debug_=_debug_on)
self.pcap_name = _pcap_name
self.host = host,
self.port = port
self.debug = _debug_on
self.pcap = None
self.live_pcap = None
self.remote_pcap = None
self.pcap_file = _read_pcap_file
self.apply_filter = _apply_filter
self.live_filter = _live_filter
self.live_pcap_interface = _live_pcap_interface
self.live_cap_timeout = _live_cap_timeout
self.remote_cap_host = _live_remote_cap_host
self.remote_cap_interface = _live_remote_cap_interface
self.wifi_monitor = WiFiMonitor(self.lfclient_url, local_realm=self, debug_=self.debug)
def read_pcap(self, pcap_file, apply_filter=None):
self.pcap_file = pcap_file
if apply_filter is not None:
self.apply_filter = apply_filter
try:
self.pcap = ps.FileCapture(input_file=self.pcap_file, display_filter=self.apply_filter, use_json=False)
except Exception as error:
raise error
return self.pcap
def capture_live_pcap(self):
try:
self.live_pcap = ps.LiveCapture(interface=self.live_pcap_interface, output_file='captured.pcap')
self.live_pcap.sniff(timeout=300)
except ValueError:
raise "Capture Error"
return self.live_pcap
def capture_remote_pcap(self):
try:
self.remote_pcap = ps.RemoteCapture(remote_host=self.remote_cap_host,
remote_interface=self.remote_cap_interface)
except ValueError:
raise "Host error"
return self.remote_pcap
def get_packet_info(self, pcap_file):
"""get packet info from each packet from the pcap file"""
print("pcap file path: %s" % pcap_file)
try:
if pcap_file is not None:
cap = self.read_pcap(pcap_file=pcap_file, apply_filter='wlan.fc.type_subtype==3 && wlan.tag.number==55')
packet_count = 0
data = []
for pkt in cap:
data.append(pkt)
packet_count += 1
print("Total Packets: ", packet_count)
print(data)
if packet_count != 0:
return data
else:
return data
except ValueError:
raise "pcap file is required"
def get_wlan_mgt_status_code(self, pcap_file):
""" To get status code of each packet in WLAN MGT Layer """
print("pcap file path: %s" % pcap_file)
try:
if pcap_file is not None:
cap = self.read_pcap(pcap_file=pcap_file, apply_filter='wlan.fc.type_subtype==3 && wlan.tag.number==55')
packet_count = 0
value, data = '', []
for pkt in cap:
# print(pkt)
if 'wlan.mgt' in pkt:
value = pkt['wlan.mgt'].get_field_value('wlan_fixed_status_code')
if value == '0x0000':
data.append('Successful')
else:
data.append('failed')
packet_count += 1
print("Total Packets: ", packet_count)
if packet_count != 0:
return data
else:
return data
except ValueError:
raise "pcap file is required"
def check_group_id_mgmt(self, pcap_file):
print("pcap file path: %s" % pcap_file)
try:
if pcap_file is not None:
print("Checking for Group ID Management Actions Frame...")
cap = self.read_pcap(pcap_file=pcap_file, apply_filter='wlan.mgt && wlan.vht.group_id_management')
packet_count = 0
value = "Packet Not Found"
for pkt in cap:
if 'wlan.mgt' in pkt:
value = pkt['wlan.mgt'].get_field_value('wlan_vht_group_id_management')
if value is not None:
print("Group ID Management: ", value)
value = f"Group ID Management: {value}"
packet_count += 1
if packet_count == 1:
break
if packet_count >= 1:
return f"{value}"
else:
return f"{value}"
except ValueError:
raise "pcap file is required"
def check_beamformee_association_request(self, pcap_file):
print("pcap file path: %s" % pcap_file)
try:
if pcap_file is not None:
cap = self.read_pcap(pcap_file=pcap_file, apply_filter='wlan.vht.capabilities.mubeamformee == 1 && '
'wlan.fc.type_subtype == 0')
packet_count = 0
value = "Packet Not Found"
for pkt in cap:
if 'wlan.mgt' in pkt:
value = pkt['wlan.mgt'].get_field_value('wlan_vht_capabilities_mubeamformee')
if value is not None:
print(value)
packet_count += 1
if value == 0:
value = "MU Beamformee Capable: Not Supported"
if value == 1:
value = "MU Beamformee Capable: Supported"
if packet_count == 1:
break
print(packet_count)
if packet_count >= 1:
return f"{value}"
else:
return f"{value}"
except ValueError:
raise "pcap file is required"
def check_beamformer_association_response(self, pcap_file):
try:
if pcap_file is not None:
cap = self.read_pcap(pcap_file=pcap_file, apply_filter='wlan.vht.capabilities.mubeamformer == 1 && '
'wlan.fc.type_subtype == 1')
packet_count = 0
value = "Packet Not Found"
for pkt in cap:
if 'wlan.mgt' in pkt:
value = pkt['wlan.mgt'].get_field_value('wlan_vht_capabilities_mubeamformer')
if value is not None:
print(value)
packet_count += 1
if value == 0:
value = "MU Beamformer Capable: Not Supported"
if value == 1:
value = "MU Beamformer Capable: Supported"
if packet_count == 1:
break
if packet_count >= 1:
return f"{value}"
else:
return f"{value}"
except ValueError:
raise "pcap file is required"
def check_beamformer_beacon_frame(self, pcap_file):
try:
if pcap_file is not None:
cap = self.read_pcap(pcap_file=pcap_file, apply_filter='wlan.vht.capabilities.mubeamformer == 1 && '
'wlan.fc.type_subtype == 8')
packet_count = 0
value = "Packet Not Found"
for pkt in cap:
if 'wlan.mgt' in pkt:
value = pkt['wlan.mgt'].get_field_value('wlan_vht_capabilities_mubeamformer')
if value is not None:
print(value)
packet_count += 1
if value == 0:
value = "MU Beamformer Capable: Not Supported"
if value == 1:
value = "MU Beamformer Capable: Supported"
if packet_count == 1:
break
if packet_count >= 1:
return f"{value}"
else:
return f"{value}"
except ValueError:
raise "pcap file is required."
def check_beamformer_probe_response(self, pcap_file):
try:
if pcap_file is not None:
cap = self.read_pcap(pcap_file=pcap_file, apply_filter='wlan.vht.capabilities.mubeamformer == 1 && wlan.fc.type_subtype==5')
packet_count = 0
value = "Packet Not Found"
for pkt in cap:
if 'wlan' in pkt:
value = pkt['wlan'].get_field_value('wlan_vht_capabilities_mubeamformer')
if value is not None:
print(value)
if value == 0:
value = "MU Beamformer Capable: Not Supported"
if value == 1:
value = "MU Beamformer Capable: Supported"
packet_count += 1
if packet_count == 1:
break
if packet_count >= 1:
return f"{value}"
else:
return f"{value}"
except ValueError:
raise "pcap file is required."
def check_he_capability_beacon_frame(self, pcap_file):
try:
if pcap_file is not None:
cap = self.read_pcap(pcap_file=pcap_file, apply_filter='wlan.ext_tag.he_phy_cap.he_su_ppdu_etc_gi == 1 && wlan.fc.type_subtype == 8')
packet_count = 0
value = "Packet Not Found"
for pkt in cap:
if 'wlan.mgt' in pkt:
value = pkt['wlan.mgt'].get_field_value('wlan_ext_tag_he_phy_cap_he_su_ppdu_with_1x_he_ltf_08us')
if value is not None:
print(value)
packet_count += 1
if str(value) == '0':
value = "HE SU PPDU & HE MU PPDU w 4x HE-LTF & 0.8us GI: Not Supported"
if str(value) == '1':
value = "HE SU PPDU & HE MU PPDU w 4x HE-LTF & 0.8us GI: Supported"
if packet_count == 1:
break
if packet_count >= 1:
return f"{value}"
else:
return f"{value}"
except ValueError:
raise "pcap file is required."
def check_he_capability_probe_request(self, pcap_file):
try:
if pcap_file is not None:
cap = self.read_pcap(pcap_file=pcap_file, apply_filter='wlan.ext_tag.he_phy_cap.he_su_ppdu_etc_gi == 1 && wlan.fc.type_subtype == 4')
packet_count = 0
value = "Packet Not Found"
for pkt in cap:
if 'wlan.mgt' in pkt:
value = pkt['wlan.mgt'].get_field_value('wlan_ext_tag_he_phy_cap_he_su_ppdu_etc_gi')
if value is not None:
print(value)
packet_count += 1
if str(value) == '0':
value = "HE SU PPDU & HE MU PPDU w 4x HE-LTF & 0.8us GI: Not Supported"
if str(value) == '1':
value = "HE SU PPDU & HE MU PPDU w 4x HE-LTF & 0.8us GI: Supported"
if packet_count == 1:
break
if packet_count >= 1:
return f"{value}"
else:
return f"{value}"
except ValueError:
raise "pcap file is required."
def check_he_capability_probe_response(self, pcap_file):
try:
if pcap_file is not None:
cap = self.read_pcap(pcap_file=pcap_file, apply_filter='wlan.ext_tag.he_phy_cap.he_su_ppdu_etc_gi == 1 && wlan.fc.type_subtype == 5')
packet_count = 0
value = "Packet Not Found"
for pkt in cap:
if 'wlan.mgt' in pkt:
value = pkt['wlan.mgt'].get_field_value('wlan_ext_tag_he_phy_cap_he_su_ppdu_with_1x_he_ltf_08us')
if value is not None:
print(value)
packet_count += 1
if str(value) == '0':
value = "HE SU PPDU & HE MU PPDU w 4x HE-LTF & 0.8us GI: Not Supported"
if str(value) == '1':
value = "HE SU PPDU & HE MU PPDU w 4x HE-LTF & 0.8us GI: Supported"
if packet_count == 1:
break
if packet_count >= 1:
return f"{value}"
else:
return f"{value}"
except ValueError:
raise "pcap file is required."
def check_he_capability_association_request(self, pcap_file):
try:
if pcap_file is not None:
cap = self.read_pcap(pcap_file=pcap_file, apply_filter='wlan.ext_tag.he_phy_cap.he_su_ppdu_etc_gi == 1 && wlan.fc.type_subtype == 0')
packet_count = 0
value = "Packet Not Found"
for pkt in cap:
if 'wlan.mgt' in pkt:
value = pkt['wlan.mgt'].get_field_value('wlan_ext_tag_he_phy_cap_he_su_ppdu_etc_gi')
if value is not None:
print(value)
packet_count += 1
if str(value) == '0':
value = "HE SU PPDU & HE MU PPDU w 4x HE-LTF & 0.8us GI: Not Supported"
if str(value) == '1':
value = "HE SU PPDU & HE MU PPDU w 4x HE-LTF & 0.8us GI: Supported"
if packet_count == 1:
break
print(packet_count)
if packet_count >= 1:
return f"{value}"
else:
return f"{value}"
except ValueError:
raise "pcap file is required"
def check_he_capability_association_response(self, pcap_file):
try:
if pcap_file is not None:
cap = self.read_pcap(pcap_file=pcap_file, apply_filter='wlan.ext_tag.he_phy_cap.he_su_ppdu_etc_gi == 1 && wlan.fc.type_subtype == 1')
packet_count = 0
value = "Packet Not Found"
for pkt in cap:
if 'wlan.mgt' in pkt:
value = pkt['wlan.mgt'].get_field_value('wlan_ext_tag_he_phy_cap_he_su_ppdu_etc_gi')
if value is not None:
print(value)
packet_count += 1
if str(value) == '0':
value = "HE SU PPDU & HE MU PPDU w 4x HE-LTF & 0.8us GI: Not Supported"
if str(value) == '1':
value = "HE SU PPDU & HE MU PPDU w 4x HE-LTF & 0.8us GI: Supported"
if packet_count == 1:
break
if packet_count >= 1:
return f"{value}"
else:
return f"{value}"
except ValueError:
raise "pcap file is required"
def check_he_guard_interval(self, pcap_file):
try:
if pcap_file is not None:
cap = self.read_pcap(pcap_file=pcap_file, apply_filter='radiotap.he.data_5.gi')
packet_count = 0
value = "Packet Not Found"
for pkt in cap:
if 'radiotap' in pkt:
value = pkt['radiotap'].get_field_value('he_data_5_gi')
if value is not None:
print(value)
value = f"GI: {str(value)}us"
packet_count += 1
if packet_count == 1:
break
if packet_count >= 1:
return f"{value}"
else:
return f"{value}"
except ValueError:
raise "pcap file is required"
def check_rsn(self, pcap_file):
global akms_count, group_cipher_suite, mfpr, mfpc, ptksa, gtksa
try:
if pcap_file is not None:
cap = self.read_pcap(pcap_file=pcap_file, apply_filter='wlan.fc.type == 0 && wlan.fc.type_subtype == 8')
packet_count = 0
value = "Packet Not Found"
for pkt in cap:
if 'wlan.mgt' in pkt:
if 'wlan_rsn_pcs_list' in pkt['wlan.mgt'].field_names:
group_cipher_suite = pkt['wlan.mgt'].get_field_value('wlan_rsn_pcs_list')
else:
group_cipher_suite = "Value not Found"
if 'wlan_rsn_akms_count' in pkt['wlan.mgt'].field_names:
akms_count = pkt['wlan.mgt'].get_field_value('wlan_rsn_akms_count')
else:
akms_count = "Value not Found"
if 'wlan_rsn_capabilities_mfpr' in pkt['wlan.mgt'].field_names:
mfpr = pkt['wlan.mgt'].get_field_value('wlan_rsn_capabilities_mfpr')
else:
mfpr = "Value not Found"
if 'wlan_rsn_capabilities_mfpc' in pkt['wlan.mgt'].field_names:
mfpc = pkt['wlan.mgt'].get_field_value('wlan_rsn_capabilities_mfpc')
else:
mfpc = "Value not Found"
if 'wlan_rsn_capabilities_ptksa_replay_counter' in pkt['wlan.mgt'].field_names:
ptksa = pkt['wlan.mgt'].get_field_value('wlan_rsn_capabilities_ptksa_replay_counter')
else:
ptksa = "Value not Found"
if 'wlan_rsn_capabilities_gtksa_replay_counter' in pkt['wlan.mgt'].field_names:
gtksa = pkt['wlan.mgt'].get_field_value('wlan_rsn_capabilities_gtksa_replay_counter')
else:
gtksa = "Value not Found"
packet_count += 1
if packet_count == 1:
break
if packet_count >= 1:
return [akms_count, group_cipher_suite, mfpr, mfpc, ptksa, gtksa]
else:
return None
except ValueError:
raise "pcap file is required"
def sniff_packets(self, interface_name="wiphy1", test_name="mu-mimo", channel=-1, sniff_duration=180):
if test_name is not None:
self.pcap_name = test_name + ".pcap"
else:
self.pcap_name = "capture" + str(datetime.now().strftime("%Y-%m-%d-%H-%M")).replace(':', '-') + ".pcap"
print('pcap file name: ', self.pcap_name)
self.wifi_monitor.create(resource_=1, channel=channel, mode="AUTO", radio_=interface_name, name_="moni0")
self.wifi_monitor.start_sniff(capname=self.pcap_name, duration_sec=sniff_duration)
for i in range(int(sniff_duration)):
time.sleep(1)
self.wifi_monitor.cleanup()
return self.pcap_name
def move_pcap(self, current_path="/home/lanforge/", pcap_name=None):
if current_path is None:
current_path = "/home/lanforge/"
if pcap_name is None:
pcap_name = self.pcap_name
print('...............Moving pcap to directory............\n', current_path + pcap_name)
print('++++++', os.getcwd())
if pcap_name is not None:
if os.path.exists(current_path+pcap_name):
lf_report.pull_reports(hostname=self.host, port=22, username="lanforge", password="lanforge", report_location=current_path + pcap_name, report_dir=".")
else:
raise FileNotFoundError
else:
raise ValueError("pcap_name is Required!")
def main():
parser = argparse.ArgumentParser(
prog='lf_pcap.py',
formatter_class=argparse.RawTextHelpFormatter,
epilog='Common Library for reading pcap files and check packet information for specific filters',
description='''\
"""
-----------------------
NAME: lf_pcap.py
PURPOSE:
Common Library for reading pcap files and check packet information for specific filters
SETUP:
This script requires pyshark to be installed before,you can install it by running "pip install pyshark"
EXAMPLE:
see: /py-scritps/lf_pcap.py
---------------------
''')
parser.add_argument('--pcap_file', '-p', help='provide the pcap file path', dest="pcap_file", required=True)
parser.add_argument('--apply_filter', '-f', help='apply the filter you want to', dest='apply_filter', default=None)
args = parser.parse_args()
pcap_obj = LfPcap(
host="192.168.200.202",
port=8080,
_read_pcap_file=args.pcap_file,
_apply_filter=args.apply_filter,
_live_filter=None,
_live_pcap_interface=None,
_live_remote_cap_host=None,
_live_cap_timeout=None,
_live_remote_cap_interface=None
)
# pcap_obj.check_group_id_mgmt(pcap_file=pcap_obj.pcap_file)
# pcap_obj.check_beamformer_association_request(pcap_file=pcap_obj.pcap_file)
# pcap_obj.check_beamformer_association_response(pcap_file=pcap_obj.pcap_file)
# pcap_obj.check_beamformer_beacon_frame(pcap_file=pcap_obj.pcap_file)
# pcap_obj.get_wlan_mgt_status_code(pcap_file=pcap_obj.pcap_file)
# pcap_obj.get_packet_info(pcap_obj.pcap_file)
# pcap_obj.check_he_capability_beacon_frame(pcap_file=pcap_obj.pcap_file)
#pcap_obj.check_rsn(pcap_file=pcap_obj.pcap_file)
if __name__ == "__main__":
main()