New logic and use

mon

@@ -1,36 +1,98 @@
 #!/usr/bin/env bash
+set -euo pipefail
+
+# Display information about the required options
+usage() {
+  cat <<'EOF'
+Usage: $(basename "$0") -i <interface>
+
+Options:
+  -i, --iface  Network interface name (e.g., wlan1, eth1). Required.
+  -h, --help   Show this help and exit.
+
+Example:
+  $(basename "$0") -i wlan1
+EOF
+}
+
+iface="wlan1"
 
 # Check if script is run as root
 if [[ $EUID -ne 0 ]]; then
-    echo "[!] This script must be run as root!" >&2
+    echo "[!] This script requires root permissions." >&2
     exit 1
 fi
 
-# List network interfaces and their capabilities
+# Translate long options to short for getopts
-echo "[+] Available network interfaces:"
+# Keeping the script POSIX-friendly without relying on GNU getopt
-iw dev | awk '/Interface/ {iface=$2; print "- Interface: " iface} /type/ {print "  Current Mode: "$2}';
+if [[ $# -gt 0 ]]; then
+  args=()
+  while [[ $# -gt 0 ]]; do
+    case "$1" in
+      --iface) args+=("-i"); shift ;;
+      --help)  args+=("-h"); shift ;;
+      *)       args+=("$1"); shift ;;
+    esac
+  done
+  set -- "${args[@]}"
+fi
 
-# Prompt user for the network card
+# Parse short options
-while true; do
+while getopts ":i:h" opt; do
-    read -r -p "[?] Enter the interface to use for monitoring with airodump-ng (default: wlan1): " iface
+  case "$opt" in
-    iface=${iface:-wlan1}
+    i) iface="$OPTARG" ;;
-    
+    h) usage; exit 0 ;;
-    if ip link show "$iface" &>/dev/null; then
+    \?) echo "Error: Invalid option -$OPTARG" >&2; usage; exit 1 ;;
-        break
+    :)  echo "Error: Option -$OPTARG requires an argument." >&2; usage; exit 1 ;;
-    else
+  end
-        echo "[!] Interface $iface does not exist. Please enter a valid interface."
-    fi
 done
 
-# Set up the interface
+# Require -i/--iface
+if [[ -z "${iface}" ]]; then
+  echo "Error: A network interface must be pecified with -i/--iface." >&2
+  echo "Example: $(basename "$0") -i wlan1" >&2
+  exit 1
+fi
+
+# Validate the interface exists on the system
+if ! ip link show "$iface" &>/dev/null; then
+  echo "Error: Interface '$iface' does not exist on this system." >&2
+  exit 1
+fi
+
+# Check if airodump-ng is installed
+if ! command -v airodump-ng &>/dev/null; then
+    read -r -p "[!] airodump-ng is not installed. Install it now? (Y/n): " choice
+    choice=${choice:-Y}
+    if [[ $choice =~ ^[Yy]$ ]]; then
+        if ! apt update || ! apt install -y aircrack-ng; then
+    echo "[!] Installation failed. Exiting."
+    exit 1
+fi
+    else
+        echo "[!] airodump-ng is required. Exiting."
+        exit 1
+    fi
+fi
+
 echo "[+] Preparing $iface for monitor mode..."
 nmcli device set "$iface" managed no
 ip link set "$iface" down
 iw dev "$iface" set type monitor
 ip link set "$iface" up
 
+# Check for hostapd-wpe.conf in the current directory
+# For monitoring only used for using the same channel as the ap
+if [[ -f "hostapd-wpe.conf" ]]; then
+    echo "[+] Found hostapd-wpe.conf in the current directory. Using it."
+    source hostapd-wpe.conf
+else
+    echo "[!] hostapd-wpe.conf not found in the current directory. Using the default: /etc/hostapd-wpe/hostapd-wpe.conf"
+    source /etc/hostapd-wpe/hostapd-wpe.conf
+fi
+
 # Start monitoring
-if ! airodump-ng -w wpa "$iface"; then
+if ! airodump-ng --channel $channel -w wpa "$iface"; then
     echo "[!] Failed to start airodump-ng. Exiting."
     exit 1
 fi