PiWardriver: A script to dynamically start kismet

PiDriver.sh

#!/bin/bash
# Adapted from github.com/bksieski/WardrivingScript_pi4_rig

# Wait 30s for interfaces and GPS to init
sleep 30

# Function to enable monitor mode on network adapters
enable_monitor_mode() {
    echo "Enabling monitor mode on ${interfaces[@]}..."
    for interface in "${interfaces[@]}"; do
        ifconfig "$interface" down
        iwconfig "$interface" mode Monitor
        ifconfig "$interface" up
    done
}

# Function to disable monitor mode on network adapters
disable_monitor_mode() {
    echo "Disabling monitor mode on ${interfaces[@]}..."
    for interface in "${interfaces[@]}"; do
        ifconfig "$interface" down
        iwconfig "$interface" mode Managed
        ifconfig "$interface" up
    done
}

# Start Kismet
start_kismet() {
    # Create a folder with the current date
    current_date=$(date +%Y%m%d)
    kismet_folder="/home/toothpaste/wardriving/${current_date}"

    echo "Starting Kismet with data directory: $kismet_folder"
    
    # Check if the folder exists, if not, create it
    if [ ! -d "$kismet_folder" ]; then
        mkdir -p "$kismet_folder"
    fi

    # Start Kismet with the specified interfaces
    kismet_command="kismet -p '$kismet_folder' -t wardrive --override wardrive"
    for interface in "${interfaces[@]}"; do
        kismet_command+=" -c $interface"
    done
    kismet_command+=" &"

    eval "$kismet_command"
    # The '&' runs the command in the background, allowing the script to continue

    # Store the PID (Process ID) of the Kismet process
    kismet_pid=$!
}

# Start gpsd with the specified GPS device
gpsd -n /dev/ttyUBS0 &

# Detect network interfaces
interfaces=()
for interface in $(ls /sys/class/net); do
    if [[ $interface =~ ^wlan ]]; then
        interfaces+=("$interface")
    fi
done

# Enable monitor mode
enable_monitor_mode

# Start Kismet in the background
start_kismet

# Monitor keyboard input to stop Kismet
echo "Press any key to stop Kismet session."

# Wait for any key press (this will block until a key is pressed)
read -n 1 -s

# Stop Kismet by killing the process
echo "Stopping Kismet..."
kill "$kismet_pid"

# Disable monitor mode after Kismet is stopped
disable_monitor_mode

echo "Wardriving/warcycling/warwalking session completed."