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Author: casual-cod3r

README.md

@@ -1,2 +1,2 @@
-**Python_Code_Snippets**
-These code snippets are for reference purpose. Feel free to use it as you need it
+# Router_backup_Python
+The following script is the Python script used for backing-up the Cisco router to the TFTP server. 

router_script.py

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+#!/usr/bin/env python
+#THIS IS A SIMPLE PYTHON SCRIPT FOR BACKING UP CISCO IOS ROUTER CONFIG
+#This type of script is mainly executable in Debain based Linux.
+#Install Paramiko module using "pip"
+#Also, install TFTP server on debian.
+#I have used GNS3 for emulating the router.... 
+# make this script executable by using "chmod +x router_script.py"
+
+#@@@@@@@@@@   WARNING: Please review the script and setup the parameters accordingly    @@@@@@@@
+#@@@@@@@@@@   BEFORE DEPLOYING into PRODUCTION NETWORKS.                                @@@@@@@@
+
+import paramiko         #importing this module for making SSH connection into device
+import sys
+import re
+import time
+import getpass          # masking the password 
+
+def open_ssh_conn(ip):
+  # Try-except block in order to catch the exception of wrong username and password
+	try:
+	#ask for username, you don't want username to be default
+		username = raw_input("Username: ")
+
+	#ask for password, and mask it
+
+		password = getpass.getpass()
+	
+		
+	#open session using Paramiko
+		session = paramiko.SSHClient()
+	
+	#allow auto-add user policy even if no host keys are configured/implemented
+	
+		session.set_missing_host_key_policy(paramiko.AutoAddPolicy())
+	 
+	#passing the necessary paramaters
+
+		session.connect(ip, port=22, username = username, password = password)
+		
+	#start the shell
+				
+		connection = session.invoke_shell()
+		output = connection.recv(65535)
+		
+	#TFTP Server
+		tftp_server = raw_input("IP address of TFTP-server? ")
+		#tftp_server = "X.X.X.X" #Directly state your own TFTP server IP instead of asking repeatedly
+
+	#Ask Destination file
+		dest_file = raw_input("Destination file name? ")
+		time.sleep(1)
+	#enter into privelege mode from user mode
+		connection.send("enable")
+		connection.send("\n")
+		time.sleep(1)
+	#Execute command
+
+		connection.send("copy startup-config tftp://"+str(tftp_server))
+		connection.send("\n")   #sending  above command
+		
+
+		output += connection.recv(65535)
+		print ''.join(output)
+		time.sleep(1)
+		output += connection.recv(65535)
+		print "".join(output)		
+		connection.send("\n")   #sending the confirmation from router for (Remote address []?)
+		time.sleep(1)
+		output += connection.recv(65535)
+		print "".join(output)						
+		connection.send(dest_file)
+		time.sleep(1)
+		
+		connection.send("\n")
+	
+		
+		time.sleep(1)
+		output += connection.recv(65535)
+		print "".join(output)		
+		session.close()
+		time.sleep(1)
+
+		print "Backup sucessful....Exiting...Please wait"
+
+	except paramiko.AuthenticationException:
+	        print "Invalid Username or password"
+	        print "Closing program...\n"
+	
+#calling SSH Function
+print("########################################################################")
+print("####################### ROUTER BACKUP SCRIPT ###########################")
+print("########################################################################") 
+
+IP_address = raw_input("Enter the IP address of the device: ")
+open_ssh_conn(IP_address)
+