import base64, httplib, string, urllib2

username = "username"
password = "password"
domain = "home.domain.com"

def getIPFromUrl(url):
    return urllib2.urlopen(url).read()

def createAuthString(username, password):
    authString = base64.encodestring(username + ":" + password)
    authString = string.replace(authString, "\012", "")
    return authString

def sendRequest(host, authString, updateParams):
    request = httplib.HTTPS(host)
    request.putrequest("GET", updateParams)
    request.putheader("HOST", host)
    request.putheader("USER-AGENT", "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0)")
    request.putheader("AUTHORIZATION", "Basic " + authString)
    request.endheaders()
    return request

def updateIP(ip, username, password, domain):
    host = "www.ovh.com"
    authString = createAuthString(username, password)
    updateParams = "/nic/update?system=dyndns&hostname=" + domain + "&myip=" + ip
    request = sendRequest(host, authString, updateParams)

    errcode, errmsg, headers = request.getreply()

    try:
        response = request.getfile().read()
    except:
        response = "No output from request."

    print "[*]http code = " + `errcode`
    print "[*]http msg  = " + errmsg
    print "[*]http response = " + response

def main():
    ip = getIPFromUrl("https://domain.com/ip.php")
    updateIP(ip, username, password, domain)

if __name__ == "__main__":
    main()