Add channel frequency handling and enhance deadpoint detection logic

listener.py

@@ -33,6 +33,15 @@ bssid_channels = {}
 CHANNEL_LIST = [1, 6, 11, 36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, 149, 153, 157, 161, 165]  # Channels to hop
 CHANNEL_HOP_INTERVAL = 5   # Seconds per channel
 
+def get_channel_from_freq(freq):
+    if 2412 <= freq <= 2472:
+        return (freq - 2407) // 5
+    elif freq == 2484:
+        return 14
+    elif 5180 <= freq <= 5825:
+        return (freq - 5000) // 5
+    return None
+
 # === Signal handling ===
 def stop_sniff(signum, frame):
     global running
@@ -87,6 +96,12 @@ def handle_packet(pkt):
     a1 = dot11.addr1.lower() if dot11.addr1 else None
     a2 = dot11.addr2.lower() if dot11.addr2 else None
 
+    try:
+        freq = pkt[RadioTap].ChannelFrequency
+        packet_channel = get_channel_from_freq(freq)
+    except:
+        packet_channel = current_channel or "?"
+
     # === Detect APs via beacon (and optionally probe response) frames ===
     if dot11.type == 0 and dot11.subtype in ([8, 5] if include_probes else [8]):
         if a2 and is_unicast(a2):
@@ -150,7 +165,7 @@ def write_csv(outfile):
         "NumberofBSSIDsOnSSID": "N/A",
         "NumberofChannelsOnSSID": "N/A",
         "UnlinkedDevices": len(unlinked_candidates),
-        "Deadpoints": len([ap for ap in deadpoint_candidates if not ap_clients.get(ap)])
+        "Deadpoints": len([ap for ap in deadpoint_candidates if is_deadpoint(ap)])
     }
 
     new_file = not os.path.exists(outfile)
@@ -195,7 +210,7 @@ def print_suspect_aps():
         flags = []
         if any(kw in ssid.lower() for kw in keywords):
             flags.append("Suspicious SSID")
-        if bssid in deadpoint_candidates and not ap_clients.get(bssid):
+        if is_deadpoint(bssid):
             flags.append("Deadpoint")
         if flags:
             suspects.append((bssid, ssid, flags))
@@ -216,6 +231,9 @@ def channel_hopper(interface):
         i += 1
         time.sleep(CHANNEL_HOP_INTERVAL)
 
+def is_deadpoint(ap_bssid):
+    return sum(ap_clients[ap_bssid].values()) < 2  # No meaningful client interaction
+
 # === Main ===
 def main():
     parser = ArgumentParser()