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sshConnection.py
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sshConnection.py
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# Script para recuperación de la configuración por defecto de los Routers y Switches Mikrotik
#Author: Alberto Antonio Perales Montero
import sys
from tiempo import tiempo
import os
import paramiko
from paramiko import SSHClient, AuthenticationException, SSHException, BadHostKeyException
ssh = None
keyfile_path = 'private_key_file'
def connection(host, port, username, password):
# Create the SSH client.
try:
ssh = paramiko.SSHClient()
print("la dirección es = " + host)
# Setting the missing host key policy to AutoAddPolicy will silently add any missing host keys.
# Using WarningPolicy, a warning message will be logged if the host key is not previously known
# but all host keys will still be accepted.
# Finally, RejectPolicy will reject all hosts which key is not previously known.
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh.load_system_host_keys()
# Connect to the host.
ssh.connect(host, port, username, password, timeout=4)
print("Conexión realizada")
#tm = tiempo.tiempo() # Calculamos el tiempo pasado en segundos desde el año 1970
except AuthenticationException:
print("Authentication failed, please verify your credentials: %s")
sys.exit(1)
except SSHException as sshException:
print("Unable to establish SSH connection: %s" % sshException)
sys.exit(1)
except BadHostKeyException as badHostKeyException:
print("Unable to verify server's host key: %s" % badHostKeyException)
sys.exit(1)
except Exception:
print("Ha ocurrido un error al intentar conectar con el dispositivo")
exit()
return (ssh)
'''
def connection(host, port, username, password):
print("Se va a realizar la conexión con el Switch CSR de Mikrotik.");
print("¿Está seguro? S/N");
#while(respuesta != "N" or respuesta != "S"):
respuesta = input();
if (respuesta == "N" or respuesta != "S"):
print("Se ha cancelado la conexión");
exit();
elif (respuesta == "S"):
# print("Restaurando...")
# Create the SSH client.
ssh = paramiko.SSHClient()
print("la dirección es = " + host)
# Setting the missing host key policy to AutoAddPolicy will silently add any missing host keys.
# Using WarningPolicy, a warning message will be logged if the host key is not previously known
# but all host keys will still be accepted.
# Finally, RejectPolicy will reject all hosts which key is not previously known.
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh.load_system_host_keys()
# Connect to the host.
ssh.connect(host, port, username, password)
print("Conexión realizada")
#tm = tiempo.tiempo() # Calculamos el tiempo pasado en segundos desde el año 1970
stdin, stdout1, stderr = ssh.exec_command('/system clock set time=' + tiempo())
stdin, stdout2, stderr = ssh.exec_command('/system clock set print')
return(ssh)
'''