Add bash file with functions to enable and disable monitor mode using either...

code/kydcap/scripts/wifi_ctl.sh

@@ -0,0 +1,55 @@
+#!/usr/bin/env bash
+# Note, this is not my original work. Source: https://linuxtldr.com/changing-interface-mode/
+
+function list_nic_info () {
+  ip addr show
+}
+
+function enable_monm_iw () {
+  interface=$1
+  sudo ip link set "$interface" down
+  sudo iw "$interface" set monitor control
+  sudo ip link set "$interface" up
+}
+
+function disable_monm_iw () {
+  interface=$1
+  sudo ip link set "$interface" down
+  sudo iw "$interface" set type managed
+  sudo ip link set "$interface" up
+}
+
+function enable_monm_iwconfig () {
+  interface=$1
+  sudo ifconfig "$interface" down
+  sudo iwconfig "$interface" mode monitor
+  sudo ifconfig "$interface" up
+}
+
+function disable_monm_iwconfig () {
+  interface=$1
+  sudo ifconfig "$interface" down
+  sudo iwconfig "$interface" mode managed
+  sudo ifconfig "$interface" up
+}
+
+function enable_monm_acng () {
+  interface=$1
+  sudo airmon-ng check
+  sudo airmon-ng check kill
+  sudo airmon-ng start "$interface"
+}
+
+function disable_monm_acng () {
+  interface="${1}mon"
+  sudo airmon-ng stop "$interface"
+  sudo systemctl restart NetworkManager
+}
+
+if declare -f "$1" > /dev/null
+then
+  "$@"
+else
+  echo "Unknown function '$1'" >&2
+  exit 1
+fi

code/kydcap/subcommands/sniff.py

@@ -69,7 +69,7 @@ def handle_sniff(args):
     if not cwd_is_device_root_dir():
         handle_metadata()
     else:
-        cmd = ['sudo tcpdump', '-i', args.capture_interface]
+        cmd = ['sudo', 'tcpdump', '-i', args.capture_interface]
         if args.monitor_mode:
             cmd.append('-I')
         if args.no_name_resolution:
@@ -83,8 +83,10 @@ def handle_sniff(args):
             cmd.append(str(args.count))
         elif args.mins:
             pass
-        print('Executing: ' + ' '.join(cmd))
+        print('Complete command:' + ' '.join(cmd))
         # TODO maybe dump this into file -> put into device metadata
+        # TODO generate pcap filename
+        # TODO construct capture metadata file
         try:
             start_time = datetime.now().strftime('%H:%M:%S')
             subprocess.run(cmd)

code/kydcap/utils/utils.py

@@ -1,15 +1,16 @@
 import shutil
 import subprocess
 
+DEPENDENCIES =
 
-def check_installed() -> bool:
+def check_installed(tool) -> bool:
     """Check if tcpdump is installed and available on the system path."""
-    return shutil.which('tcpdump') is not None
+    return shutil.which(f'{tool}') is not None
 
 
-def ensure_installed():
+def ensure_installed(tool):
     """Ensure that tcpdump is installed, raise an error if not."""
-    if not check_installed():
+    if not check_installed(tool):
         raise RuntimeError("tcpdump is not installed. Please install it to continue.")
 
 

code/kydcap/utils/wifi_ctrl_utils.py

@@ -0,0 +1,10 @@
+import subprocess
+
+def enable_monitor_mode(interface):
+    pass
+
+def disable_monitor_mode(interface):
+    pass
+
+def get_ap_channel(interface):
+    pass