Add channel hopping feature and track channels for detected APs

listener.py

@@ -6,6 +6,7 @@ import signal
 import subprocess
 import sys
 import time
+import threading
 
 from argparse import ArgumentParser
 from collections import defaultdict
@@ -27,6 +28,10 @@ current_channel = None
 include_probes = False
 deadpoint_candidates = set()
 unlinked_candidates = set()
+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
 
 # === Signal handling ===
 def stop_sniff(signum, frame):
@@ -92,6 +97,10 @@ def handle_packet(pkt):
                 ssid = parse_ssid(pkt)
                 if ssid:
                     ssid_map[a2] = ssid
+                # Track channel seen on
+                if pkt.haslayer(RadioTap) and hasattr(pkt[RadioTap], 'ChannelFrequency'):
+                    # Nah, be lazy
+                    bssid_channels[a2] = current_channel
 
     # === Track all seen clients ===
     if dot11.type == 2:
@@ -193,18 +202,30 @@ def print_suspect_aps():
 
     if suspects:
         for bssid, ssid, flags in suspects:
-            print(f"    - {bssid} (SSID: {ssid})  <-- {' + '.join(flags)}")
+            ch = bssid_channels.get(bssid, "?")
+            print(f"    - {bssid} (SSID: {ssid}, Channel: {ch})  <-- {' + '.join(flags)}")
     else:
         print("    None found (yet).")
 
+def channel_hopper(interface):
+    global running
+    i = 0
+    while running:
+        channel = CHANNEL_LIST[i % len(CHANNEL_LIST)]
+        set_monitor_channel(interface, channel)
+        i += 1
+        time.sleep(CHANNEL_HOP_INTERVAL)
+
 # === Main ===
 def main():
     parser = ArgumentParser()
     parser.add_argument("--main-iface", required=True, help="Active interface (used to determine channel)")
     parser.add_argument("--monitor-iface", required=True, help="Monitor interface to sniff on")
     parser.add_argument("--outfile", required=True, help="CSV file to append metrics row")
-    parser.add_argument("--channel", type=int, help="Channel to lock monitor interface to (overrides main iface)")
     parser.add_argument("--include-probes", action="store_true", help="Include probe responses as valid APs")
+    group = parser.add_mutually_exclusive_group()
+    group.add_argument("--channel", type=int, help="Channel to lock monitor interface to")
+    group.add_argument("--channel-hop", action="store_true", help="Enable channel hopping")
 
     args = parser.parse_args()
 
@@ -237,8 +258,11 @@ def main():
         target_ap_bssid = None  # Can't determine AP if we're not associated
 
     print("[+] Sniffing... (waiting for SIGINT to stop)")
-
-
+    if args.channel_hop:
+        hopper_thread = threading.Thread(target=channel_hopper, args=(args.monitor_iface,))
+        hopper_thread.daemon = True
+        hopper_thread.start()
+    
     while running:
         sniff(iface=args.monitor_iface, prn=handle_packet, store=False, timeout=5)
 
@@ -247,7 +271,8 @@ def main():
 
     for bssid in sorted(aps):
         ssid = ssid_map.get(bssid, "<unknown>")
-        print(f"    - {bssid} (SSID: {ssid})")
+        ch = bssid_channels.get(bssid, "?")
+        print(f"    - {bssid} (SSID: {ssid}, Channel: {ch})")
     print(f"[+] Total APsOnChannel: {len(aps)}")
     print_suspect_aps()