pathScripts/pf

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#!/usr/bin/python3
import socket
import threading
import select
def forward(source, destination):
try:
while True:
ready, _, _ = select.select([source], [], [], 1)
if ready:
data = source.recv(4096)
if not data:
break
destination.sendall(data)
except (OSError, socket.error) as e:
print(f"Connection error: {e}")
finally:
try:
source.shutdown(socket.SHUT_RD)
except OSError:
pass
try:
destination.shutdown(socket.SHUT_WR)
except OSError:
pass
def handle(client_socket, remote_host, remote_port):
try:
remote_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
remote_socket.connect((remote_host, remote_port))
thread1 = threading.Thread(target=forward, args=(client_socket, remote_socket))
thread2 = threading.Thread(target=forward, args=(remote_socket, client_socket))
thread1.start()
thread2.start()
thread1.join()
thread2.join()
except Exception as e:
print(f"Error in handle: {e}")
finally:
client_socket.close()
remote_socket.close()
def create_forwarder(local_host, local_port, remote_host, remote_port):
server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
server_socket.bind((local_host, local_port))
server_socket.listen(5)
print(f"Forwarding {local_host}:{local_port} to {remote_host}:{remote_port}")
while True:
try:
client_socket, address = server_socket.accept()
print(f"Received connection from {address}")
threading.Thread(target=handle, args=(client_socket, remote_host, remote_port)).start()
except Exception as e:
print(f"Error accepting connection: {e}")
def main():
listen_ip = '0.0.0.0'
imap_thread = threading.Thread(target=create_forwarder, args=(listen_ip, 1143, '127.0.0.1', 1142))
imap_thread.start()
smtp_thread = threading.Thread(target=create_forwarder, args=(listen_ip, 1025, '127.0.0.1', 1024))
smtp_thread.start()
imap_thread.join()
smtp_thread.join()
if __name__ == "__main__":
main()