mirror of
https://github.com/robindhole/fundamentals.git
synced 2025-03-15 19:19:59 +00:00
41 lines
1.1 KiB
Python
41 lines
1.1 KiB
Python
import argparse
|
|
import socket
|
|
from colorama import init, Fore
|
|
|
|
def is_port_open(host: str, port: int) -> bool:
|
|
"""
|
|
Checks if a port is open on a host.
|
|
"""
|
|
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
|
|
try:
|
|
sock.connect((host, port))
|
|
sock.settimeout(0.5)
|
|
except:
|
|
return False
|
|
else:
|
|
return True
|
|
|
|
|
|
if __name__ == '__main__':
|
|
|
|
init() # initialize colorama
|
|
|
|
# Declare arguments
|
|
parser = argparse.ArgumentParser(description='Port Scanner')
|
|
parser.add_argument('-H', '--host', help='Host to scan', required=True, type=str)
|
|
parser.add_argument('-s', '--start', help='Starting port', default=1, type=int)
|
|
parser.add_argument('-e', '--end', help='Ending port', default=1024, type=int)
|
|
|
|
# Parse arguments
|
|
args = parser.parse_args()
|
|
host, start, end = args.host, args.start, args.end
|
|
|
|
for port in range(start, end):
|
|
if not is_port_open(host, port):
|
|
print(f'{Fore.RED}Port {port} is closed{Fore.RESET}')
|
|
continue
|
|
print(f'{Fore.GREEN}Port {port} is open{Fore.RESET}')
|
|
|
|
|
|
|