wifi-scanner.py

import subprocess, platform, re
from colorama import init, Fore

init()

def list_all_wifi_networks():

    # Get the name of the operating system.
    os_name = platform.system()
    # Check if the OS is Windows.
    if os_name == "Windows":
        # Command to list Wi-Fi networks on Windows using netsh.
        list_networks_command = 'netsh wlan show networks'
        # Execute the command and capture the result.
        output = subprocess.check_output(list_networks_command, shell=True, text=True)
        # Print the output, all networks in range.
        print(output)
    # Check if the OS is Linux.
    elif os_name == "Linux":
     # Command to list Wi-Fi networks on Linux using nmcli.
        list_networks_command = "nmcli device wifi list"
        # Execute the command and capture the output.
        output = subprocess.check_output(list_networks_command, shell=True, text=True)
        # Print the output, all networks in range.
        print(output)
        # Handle unsupported operating systems.
    else:
        # Print a message indicating that the OS is unsupported (Not Linux or Windows).
        print("Unsupported OS")

def list_open_networks():
   # Get the name of the operating system.
   os_name = platform.system()
   # Check if the OS is Windows.
   if os_name == "Windows":
       # Command to list Wi-Fi networks on Windows.
       list_networks_command = 'netsh wlan show networks'
       try:
           # Execute the command and capture the output.
           output = subprocess.check_output(list_networks_command, shell=True, text=True)
           networks = []
           # Parse the output to find open Wi-Fi networks.
           for line in output.splitlines():
               if "SSID" in line:
                   # Extract the SSID (Wi-Fi network name).
                   ssid = line.split(":")[1].strip()
               elif "Authentication" in line and "Open" in line:
                   # Check if the Wi-Fi network has open authentication.
                   networks.append(ssid)
           # Check if any open networks were found.
           if len(networks) > 0:
               # Print a message for open networks with colored output.
               print(f'{Fore.LIGHTMAGENTA_EX}[+] Open Wifi networks in range: \n')
               for each_network in networks:
                   print(f"{Fore.GREEN}[+] {each_network}")
           else:
               # Print a message if no open networks were found.
               print(f"{Fore.RED}[-] No open wifi networks in range")
       except subprocess.CalledProcessError as e:
           # Handle any errors that occur during the execution of the command.
           print(f"{Fore.RED}Error: {e}")
           # Return an empty list to indicate that no networks were found.
           return []
   elif os_name == "Linux":
        try:
            # Run nmcli to list available Wi-Fi networks.
            result = subprocess.run(["nmcli", "--fields", "SECURITY,SSID", "device", "wifi", "list"],
                                    stdout=subprocess.PIPE,
                                    text=True, check=True)
            # Access the captured stdout.
            output = result.stdout.strip()
            # Define a regex pattern to capture SSID and Security.
            pattern = re.compile(r'^(?P<security>[^\s]+)\s+(?P<ssid>.+)$', re.MULTILINE)
            # Find all matches in the output.
            matches = pattern.finditer(output)
            # Skip the first match, which is the header.
            next(matches, None)
            print(f"{Fore.LIGHTMAGENTA_EX}[+] Open Wifi networks in range: \n")
            # Loop through all matches (results)
            for match in matches:
                security = match.group('security')
                ssid = match.group('ssid')
                full_match = f"{Fore.GREEN}[+] SSID: {ssid} -------> Security: {security}"
                # Check if the indicator of an open network in our Full match (result).
                if "Security: --" in full_match:
                    print(f"{Fore.GREEN}[+] {ssid}")
                else:
                    print(f"{Fore.RED}[-] No open Wifi networks in range.")
        except subprocess.CalledProcessError as e:
            print(f"Error running nmcli: {e}")
        except Exception as e:
            print(f"An error occurred: {e}")
   else:
       print(f"{Fore.RED}Unsupported operating system.")
       return []

# Call the function.clear
list_all_wifi_networks()
list_open_networks()