检测动态域名并上报IP

reportMyIp.py

#!/usr/bin/python

import smtplib,re,urllib2,time
import socket
from subprocess import Popen, PIPE

smtpServer='smtp.163.com' 
smtpPort='25'
sender = '[email protected]'
senderPasswd = "XXXXX"
receivers = ['[email protected]']
checkTime = 60 * 10 # seconds

def getPublicIp():
	return re.search('\d+\.\d+\.\d+\.\d+',urllib2.urlopen("http://www.whereismyip.com").read()).group(0)
	
def getMailContent(publicIp):
	msg2Snd = "From: <" + sender + ">\n"
	msg2Snd += "To: <" + receivers[0] + ">\n"	
	msg2Snd += "Subject: ipReport\n\n"
	msg2Snd += "private IP : " + re.search("\d+\.\d+\.\d+\.\d+",Popen("ifconfig", stdout=PIPE).stdout.read()).group(0) + "\n"
	msg2Snd += "public  IP : " + publicIp + "\n"
	return msg2Snd

while True:
	try:
		publicIp = getPublicIp()
		if publicIp==socket.gethostbyname('XXXX.oicp.net'):
			time.sleep(checkTime)
			continue
		smtpObj = smtplib.SMTP(smtpServer,smtpPort)   
		smtpObj.ehlo()
		smtpObj.login(sender,senderPasswd)
		smtpObj.sendmail(sender, receivers, getMailContent(publicIp))         
		print "Successfully sent email"
	except :
		print "Error: unable to send email"	
	time.sleep(checkTime)

检查动态域名失效时（即：获得的公网IP与动态域名的IP不一致），上报主机ip地址，发送到指定邮箱。