Refactor enrichment module by adding utility functions, enhancing CSV handling, and implementing SSID metrics extraction. Update run_test script to improve logging on speed test failures.
This commit is contained in:
parent
4b9ad6f609
commit
55b0835dd7
11 changed files with 541 additions and 406 deletions
480
enrich.py
480
enrich.py
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@ -1,118 +1,24 @@
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#!/usr/bin/env python3
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import argparse
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import csv
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from datetime import datetime
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import pyshark
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from statistics import mean
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from collections import defaultdict
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# United States regulatory domain channel lookup table
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CHANNEL_LOOKUP_TABLE = {
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# 2.4 GHz (non-DFS, always allowed)
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1: {"freq": 2412, "dfs": False, "band": "2.4GHz"},
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2: {"freq": 2417, "dfs": False, "band": "2.4GHz"},
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3: {"freq": 2422, "dfs": False, "band": "2.4GHz"},
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4: {"freq": 2427, "dfs": False, "band": "2.4GHz"},
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5: {"freq": 2432, "dfs": False, "band": "2.4GHz"},
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6: {"freq": 2437, "dfs": False, "band": "2.4GHz"},
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7: {"freq": 2442, "dfs": False, "band": "2.4GHz"},
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8: {"freq": 2447, "dfs": False, "band": "2.4GHz"},
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9: {"freq": 2452, "dfs": False, "band": "2.4GHz"},
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10: {"freq": 2457, "dfs": False, "band": "2.4GHz"},
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11: {"freq": 2462, "dfs": False, "band": "2.4GHz"},
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# 5 GHz UNII-1 (indoor only)
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36: {"freq": 5180, "dfs": False, "band": "UNII-1"},
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40: {"freq": 5200, "dfs": False, "band": "UNII-1"},
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44: {"freq": 5220, "dfs": False, "band": "UNII-1"},
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48: {"freq": 5240, "dfs": False, "band": "UNII-1"},
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# 5 GHz UNII-2 (DFS required)
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52: {"freq": 5260, "dfs": True, "band": "UNII-2"},
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56: {"freq": 5280, "dfs": True, "band": "UNII-2"},
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60: {"freq": 5300, "dfs": True, "band": "UNII-2"},
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64: {"freq": 5320, "dfs": True, "band": "UNII-2"},
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# 5 GHz UNII-2e (DFS required)
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100: {"freq": 5500, "dfs": True, "band": "UNII-2e"},
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104: {"freq": 5520, "dfs": True, "band": "UNII-2e"},
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108: {"freq": 5540, "dfs": True, "band": "UNII-2e"},
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112: {"freq": 5560, "dfs": True, "band": "UNII-2e"},
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116: {"freq": 5580, "dfs": True, "band": "UNII-2e"},
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120: {"freq": 5600, "dfs": True, "band": "UNII-2e"},
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124: {"freq": 5620, "dfs": True, "band": "UNII-2e"},
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128: {"freq": 5640, "dfs": True, "band": "UNII-2e"},
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132: {"freq": 5660, "dfs": True, "band": "UNII-2e"},
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136: {"freq": 5680, "dfs": True, "band": "UNII-2e"},
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140: {"freq": 5700, "dfs": True, "band": "UNII-2e"},
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# 5 GHz UNII-3 (outdoor/indoor, no DFS)
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149: {"freq": 5745, "dfs": False, "band": "UNII-3"},
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153: {"freq": 5765, "dfs": False, "band": "UNII-3"},
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157: {"freq": 5785, "dfs": False, "band": "UNII-3"},
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161: {"freq": 5805, "dfs": False, "band": "UNII-3"},
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165: {"freq": 5825, "dfs": False, "band": "UNII-3"},
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}
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FREQ_LOOKUP_TABLE = {v["freq"]: ch for ch, v in CHANNEL_LOOKUP_TABLE.items()}
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def get_channel_from_freq(freq):
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return FREQ_LOOKUP_TABLE.get(freq, None)
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def get_freq_details(channel):
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return CHANNEL_LOOKUP_TABLE.get(channel, None)
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def get_aps(capture, ap_channel):
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try:
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ap_channel = int(ap_channel)
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except ValueError:
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print(f"[!] Could not parse channel number: {ap_channel}")
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return 0
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aps = set()
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ghost_clients = set()
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for packet in capture:
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try:
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if 'radiotap' not in packet or 'wlan' not in packet:
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continue
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radio = packet.radiotap
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wlan = packet.wlan
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if not hasattr(radio, 'channel') or not hasattr(radio.channel, 'freq'):
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continue
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packet_freq = int(radio.channel.freq)
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packet_channel = get_channel_from_freq(packet_freq)
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# For debugging purposes, print the channel and frequency
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# print(f"Packet Channel: {packet_channel}, Frequency: {packet_freq} MHz")
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if packet_channel != ap_channel:
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continue
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# Check for beacon or probe response
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ts_hex = getattr(wlan, 'type_subtype', None)
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if ts_hex is None:
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continue
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ts = int(ts_hex, 16)
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if ts not in (5, 8): # Probe Response or Beacon
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continue
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# Grab BSSID
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bssid = getattr(wlan, 'bssid', '').lower()
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if bssid and bssid != 'ff:ff:ff:ff:ff:ff':
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aps.add(bssid)
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except Exception as e:
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print(f"[DEBUG] Packet parse error: {e}")
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continue
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return aps
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from enrichment.utils import get_channel_from_freq, convert_timestamp_to_epoch
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from enrichment.filters import filter_by_time
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from enrichment.metrics_clients import get_clients_on_ap, get_clients_on_channel
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from enrichment.metrics_signals import (
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get_aps_on_channel,
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calculate_signal_strength_stats,
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get_unlinked_devices
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)
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from enrichment.metrics_ssid import extract_ssid_metrics
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from enrichment.csv_handler import (
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read_csv_input,
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write_enriched_csv,
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write_ssid_sidecar
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)
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from enrichment.merg_ssid_summaries import merge_ssid_summaries
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def parse_args():
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parser = argparse.ArgumentParser()
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@ -121,167 +27,6 @@ def parse_args():
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parser.add_argument('--output', required=True, help='Output enriched CSV')
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return parser.parse_args()
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def convert_timestamp_to_epoch(ts_string):
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try:
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return int(datetime.fromisoformat(ts_string.replace("Z", "+00:00")).timestamp())
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except Exception as e:
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print(f"[!] Failed to parse timestamp: {ts_string}")
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return None
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def get_clients_on_ap(capture, ap_bssid):
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clients = defaultdict(int)
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ap_bssid = ap_bssid.lower()
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for packet in capture:
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try:
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if not hasattr(packet, 'wlan'):
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continue
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sa = getattr(packet.wlan, 'sa', '').lower()
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da = getattr(packet.wlan, 'da', '').lower()
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bssid = getattr(packet.wlan, 'bssid', '').lower()
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# Count any frame *to or from* a client, if AP is involved
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if bssid == ap_bssid or sa == ap_bssid or da == ap_bssid:
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# If it's the AP sending, add the destination (client)
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if sa == ap_bssid and da and da != ap_bssid and not da.startswith("ff:ff:ff"):
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clients[da] += 1
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# If it's the client sending, add the source
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elif sa and sa != ap_bssid and not sa.startswith("ff:ff:ff"):
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clients[sa] += 1
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except AttributeError:
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continue
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# Only count clients that show up more than 3 times — tweak as needed
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stable_clients = [mac for mac, count in clients.items() if count > 3]
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return len(stable_clients)
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def get_clients_on_channel(capture, ap_channel, ap_bssid):
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try:
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ap_channel = int(ap_channel)
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except ValueError:
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print(f"[!] Could not parse channel number: {ap_channel}")
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return 0
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clients = set()
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for packet in capture:
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try:
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if 'radiotap' not in packet or 'wlan' not in packet:
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continue
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radio = packet.radiotap
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wlan = packet.wlan
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if not hasattr(radio, 'channel') or not hasattr(radio.channel, 'freq'):
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continue
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packet_freq = int(radio.channel.freq)
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packet_channel = get_channel_from_freq(packet_freq)
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# For debugging purposes, print the channel and frequency
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# print(f"Packet Channel: {packet_channel}, Frequency: {packet_freq} MHz")
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if packet_channel != ap_channel:
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continue
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sa = getattr(wlan, 'sa', '').lower()
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da = getattr(wlan, 'da', '').lower()
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for mac in (sa, da):
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if mac and mac != 'ff:ff:ff:ff:ff:ff' and mac != ap_bssid:
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clients.add(mac)
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except AttributeError:
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continue
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except Exception as e:
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print(f"[!] Error parsing packet: {e}")
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continue
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return len(clients)
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def get_aps_on_channel(capture, ap_channel):
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return len(get_aps(capture, ap_channel))
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def calculate_signal_strength_stats(capture, ap_channel):
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try:
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ap_channel = int(ap_channel)
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except ValueError:
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print(f"[!] Could not parse channel number: {ap_channel}")
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return 0
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ap_signals = []
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for packet in capture:
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try:
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if 'radiotap' not in packet or 'wlan' not in packet:
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continue
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radio = packet.radiotap
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wlan = packet.wlan
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if not hasattr(radio, 'channel') or not hasattr(radio.channel, 'freq'):
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continue
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packet_freq = int(radio.channel.freq)
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packet_channel = get_channel_from_freq(packet_freq)
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if packet_channel != ap_channel:
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continue
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# Check for beacon or probe response
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ts_hex = getattr(wlan, 'type_subtype', None)
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if ts_hex is None:
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continue
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ts = int(ts_hex, 16)
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if ts not in (5, 8): # Probe Response or Beacon
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continue
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# Get signal strength
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signal_strength = getattr(radio, 'dbm_antsignal', None)
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if signal_strength is not None:
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ap_signals.append(int(signal_strength))
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except Exception as e:
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print(f"[DEBUG] Signal strength parse error: {e}")
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continue
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if ap_signals:
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return mean(ap_signals), max(ap_signals)
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else:
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return 0, 0
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def get_unlinked_devices(capture, ap_channel):
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aps = get_aps(capture, ap_channel)
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ghost_clients = set()
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for packet in capture:
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if 'radiotap' not in packet or 'wlan' not in packet:
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continue
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radio = packet.radiotap
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wlan = packet.wlan
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if not hasattr(radio, 'channel') or not hasattr(radio.channel, 'freq'):
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continue
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packet_freq = int(radio.channel.freq)
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packet_channel = get_channel_from_freq(packet_freq)
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if packet_channel != ap_channel:
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continue
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for mac in (getattr(wlan, 'sa', ''), getattr(wlan, 'da', '')):
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mac = mac.lower()
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if (
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mac
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and mac != 'ff:ff:ff:ff:ff:ff'
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and mac not in aps
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):
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ghost_clients.add(mac)
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return len(ghost_clients)
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def analyze_pcap(pcapng_path, start_ts, end_ts, ap_bssid, ap_channel):
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cap = pyshark.FileCapture(
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pcapng_path,
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@ -309,94 +54,20 @@ def analyze_pcap(pcapng_path, start_ts, end_ts, ap_bssid, ap_channel):
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ssid_packet_counts = defaultdict(int)
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try:
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# Filter packets manually by timestamp
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filtered_packets = []
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for packet in cap:
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try:
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frame_time = float(packet.frame_info.time_epoch)
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if start_ts <= frame_time <= end_ts:
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filtered_packets.append(packet)
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except Exception:
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continue
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filtered_packets = filter_by_time(cap, start_ts, end_ts)
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for packet in filtered_packets:
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try:
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if 'radiotap' not in packet or 'wlan' not in packet:
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continue
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radio = packet.radiotap
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wlan = packet.wlan
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if not hasattr(radio.channel, 'freq'):
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continue
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packet_freq = int(radio.channel.freq)
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packet_channel = get_channel_from_freq(packet_freq)
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subtype = int(getattr(wlan, 'type_subtype', 0), 16)
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if subtype not in (5, 8): # Beacon or Probe Response
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continue
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try:
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mgt = packet.get_multiple_layers('wlan.mgt')[0]
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tags = mgt._all_fields.get('wlan.tagged.all', {}).get('wlan.tag', [])
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except Exception:
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continue
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ssid = None
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hidden_ssid = False
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# Determine encryption from .privacy field
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privacy_bit = mgt._all_fields.get('wlan_mgt.fixed.capabilities.privacy')
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is_open = (str(privacy_bit) != '1') # 1 = encrypted, 0 = open
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for tag in tags:
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tag_number = tag.get('wlan.tag.number')
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if tag_number == '0':
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raw_ssid = tag.get('wlan.ssid', '')
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if not raw_ssid:
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hidden_ssid = True
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ssid = '<hidden>'
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else:
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try:
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ssid_bytes = bytes.fromhex(raw_ssid.replace(':', ''))
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ssid = ssid_bytes.decode('utf-8', errors='replace')
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except Exception:
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ssid = None
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if tag_number == '133':
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try:
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num_clients = int(tag.get('wlan.cisco.ccx1.clients'))
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if ssid:
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cisco_ssid_clients[ssid].append(num_clients)
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cisco_reported_clients.append(num_clients)
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except (TypeError, ValueError):
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pass
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if not ssid:
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continue
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ssid_hidden_status[ssid] = hidden_ssid
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ssid_encryption_status.setdefault(ssid, is_open)
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ssid_packet_counts[ssid] += 1
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bssid = getattr(wlan, 'bssid', '').lower()
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if not bssid or bssid == 'ff:ff:ff:ff:ff:ff':
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continue
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bssid_to_ssid[bssid] = ssid
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ssid_to_bssids[ssid].add(bssid)
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signal = getattr(radio, 'dbm_antsignal', None)
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if signal:
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ssid_signals[ssid].append(int(signal))
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except Exception:
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continue
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(
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bssid_to_ssid,
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ssid_to_bssids,
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ssid_hidden_status,
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ssid_encryption_status,
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ssid_signals,
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cisco_ssid_clients,
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cisco_reported_clients,
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ssid_packet_counts
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) = extract_ssid_metrics(filtered_packets)
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our_ssid = bssid_to_ssid.get(ap_bssid, None)
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clients_on_ap = get_clients_on_ap(filtered_packets, ap_bssid)
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clients_on_channel = get_clients_on_channel(filtered_packets, ap_channel, ap_bssid)
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aps_on_channel = get_aps_on_channel(filtered_packets, ap_channel)
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@ -462,63 +133,60 @@ def main():
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finally:
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cap.close()
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with open(args.csv, newline='') as infile, open(args.output, 'w', newline='', encoding='utf-8') as outfile:
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reader = csv.DictReader(infile)
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fieldnames = reader.fieldnames + [
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'ClientsOnAP', 'ClientsOnChannel', 'APsOnChannel',
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'AvgAPSignal', 'StrongestAPSignal', 'UnlinkedDevices',
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'CiscoAvgReportedClients', 'CiscoMaxReportedClients', 'NumberofBSSIDsOnSSID',
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'AvgSSIDSignal', 'MaxSSIDSignal', 'NumberofChannelsOnSSID', 'PacketCount'
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]
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writer = csv.DictWriter(outfile, fieldnames=fieldnames)
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writer.writeheader()
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rows, original_fields = read_csv_input(args.csv)
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fieldnames = original_fields + [
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'ClientsOnAP', 'ClientsOnChannel', 'APsOnChannel',
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'AvgAPSignal', 'StrongestAPSignal', 'UnlinkedDevices',
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'CiscoAvgReportedClients', 'CiscoMaxReportedClients', 'NumberofBSSIDsOnSSID',
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'AvgSSIDSignal', 'MaxSSIDSignal', 'NumberofChannelsOnSSID', 'PacketCount'
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]
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for row in reader:
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tstart = convert_timestamp_to_epoch(row.get("StartTimestamp"))
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tend = convert_timestamp_to_epoch(row.get("EndTimestamp"))
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ap_bssid = row.get("BSSID", "").strip().lower()
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ap_channel = row.get("Channel")
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enriched_rows = []
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ssid_summary = None
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all_ssid_summaries = []
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if not tstart or not tend:
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writer.writerow(row)
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continue
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for row in rows:
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tstart = convert_timestamp_to_epoch(row.get("StartTimestamp"))
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tend = convert_timestamp_to_epoch(row.get("EndTimestamp"))
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ap_bssid = row.get("BSSID", "").strip().lower()
|
||||
ap_channel = row.get("Channel")
|
||||
|
||||
clients_ap, clients_chan, aps_chan, \
|
||||
avg_signal, strongest_signal, unlinked, \
|
||||
cisco_avg_reported_clients, cisco_max_reported_clients, num_bssids, \
|
||||
average_signal, max_ssid_signal, num_channels_ssid, \
|
||||
ssid_summary, packet_count = analyze_pcap(args.pcapng, tstart, tend, ap_bssid, ap_channel)
|
||||
if not tstart or not tend:
|
||||
enriched_rows.append(row)
|
||||
continue
|
||||
|
||||
row.update({
|
||||
'ClientsOnAP': clients_ap,
|
||||
'ClientsOnChannel': clients_chan,
|
||||
'APsOnChannel': aps_chan,
|
||||
'AvgAPSignal': avg_signal,
|
||||
'StrongestAPSignal': strongest_signal,
|
||||
'UnlinkedDevices': unlinked,
|
||||
'CiscoAvgReportedClients': cisco_avg_reported_clients,
|
||||
'CiscoMaxReportedClients': cisco_max_reported_clients,
|
||||
'NumberofBSSIDsOnSSID': num_bssids,
|
||||
'AvgSSIDSignal': average_signal,
|
||||
'MaxSSIDSignal': max_ssid_signal,
|
||||
'NumberofChannelsOnSSID': num_channels_ssid,
|
||||
'PacketCount': packet_count
|
||||
})
|
||||
result = analyze_pcap(args.pcapng, tstart, tend, ap_bssid, ap_channel)
|
||||
(
|
||||
clients_ap, clients_chan, aps_chan,
|
||||
avg_signal, strongest_signal, unlinked,
|
||||
cisco_avg_reported_clients, cisco_max_reported_clients, num_bssids,
|
||||
average_signal, max_ssid_signal, num_channels_ssid,
|
||||
ssid_summary, packet_count
|
||||
) = result
|
||||
row.update({
|
||||
'ClientsOnAP': clients_ap,
|
||||
'ClientsOnChannel': clients_chan,
|
||||
'APsOnChannel': aps_chan,
|
||||
'AvgAPSignal': avg_signal,
|
||||
'StrongestAPSignal': strongest_signal,
|
||||
'UnlinkedDevices': unlinked,
|
||||
'CiscoAvgReportedClients': cisco_avg_reported_clients,
|
||||
'CiscoMaxReportedClients': cisco_max_reported_clients,
|
||||
'NumberofBSSIDsOnSSID': num_bssids,
|
||||
'AvgSSIDSignal': average_signal,
|
||||
'MaxSSIDSignal': max_ssid_signal,
|
||||
'NumberofChannelsOnSSID': num_channels_ssid,
|
||||
'PacketCount': packet_count
|
||||
})
|
||||
enriched_rows.append(row)
|
||||
|
||||
writer.writerow(row)
|
||||
ssid_summary = result[-2]
|
||||
all_ssid_summaries.append(ssid_summary)
|
||||
|
||||
# Dump SSID metrics sidecar
|
||||
if ssid_summary:
|
||||
ssid_outfile = args.output.replace('.csv+rf.csv', '-ssid-metrics.csv')
|
||||
with open(ssid_outfile, 'w', newline='', encoding='utf-8') as f:
|
||||
fieldnames = [
|
||||
'SSID', 'Hidden', 'Open', 'BSSID_Count', 'BSSIDs', 'Avg_Signal', 'Max_Signal',
|
||||
'Min_Signal', 'Clients_Seen', 'CiscoAvgClients', 'CiscoMaxClients', 'PacketCount'
|
||||
]
|
||||
ssid_writer = csv.DictWriter(f, fieldnames=fieldnames)
|
||||
ssid_writer.writeheader()
|
||||
for row in ssid_summary:
|
||||
ssid_writer.writerow(row)
|
||||
write_enriched_csv(args.output, fieldnames, enriched_rows)
|
||||
|
||||
merged_ssid_summary = merge_ssid_summaries(all_ssid_summaries)
|
||||
write_ssid_sidecar(args.output, merged_ssid_summary)
|
||||
|
||||
print(f"[+] Enrichment complete: {args.output}")
|
||||
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue