public void SettingRestore(string destination, string hostfile_location, bool restroreDNS)
{
FileAttributes hostattributes = File.GetAttributes(hostfile_location);
if (hostattributes.ToString().Contains(FileAttributes.Hidden.ToString()) || hostattributes.ToString().Contains(FileAttributes.System.ToString()))
{
File.SetAttributes(hostfile_location, FileAttributes.Normal);
}
try
{
System.IO.File.Copy(destination + "host", hostfile_location, true); // Copy the backup host file to that of the present host file .
}
catch
{
Thread.Sleep(1000);
System.IO.File.Copy(destination + "host", hostfile_location, true);
}
if (restroreDNS) // If dns was set to that of OpenDNS then change the dns to that of old one.
{
string DNS_present;
List <string> nullenumerable = new List <string>();
DNS_present = File.ReadAllText(destination + "DNSBackUp.bin");
string[] oldDNS = DNS_present.Split(new String[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
using (var NWconManager = new ManagementClass("Win32_NetworkAdapterConfiguration"))
{
using (var NWconfig = NWconManager.GetInstances())
{
foreach (var managementObject in NWconfig.Cast <ManagementObject>().Where(managmentObject => (bool)managmentObject["IPEnabled"]))
{
ManagementBaseObject managementBase = managementObject.GetMethodParameters("SetDNSServerSearchOrder");
if (managementBase != null)
{
managementBase["DNSServerSearchOrder"] = oldDNS;
managementObject.InvokeMethod("SetDNSServerSearchOrder", managementBase, null);
}
}
}
}
nullenumerable.Add("");
//File.WriteAllLines(destination + "DNSBackUp.bin", nullenumerable);
File.Create(destination + "DNSBackUp.bin");
}
hostattributes = File.GetAttributes(hostfile_location);
if (hostattributes.ToString().Contains(FileAttributes.Hidden.ToString()) || hostattributes.ToString().Contains(FileAttributes.System.ToString()))
{
File.SetAttributes(hostfile_location, FileAttributes.Normal);
}
if (PasswordRequire.firstRun)
{
CustomerSurvey surveyObj = new CustomerSurvey();
surveyObj.Show();
}
}
void RestoreSetting_Loaded(object sender, RoutedEventArgs e) // Here we are checking if the DNS needs to be restored or not .
{
ManagementScope oMs = new ManagementScope("\\\\localhost\\root\\cimv2");
string strQuery = "select DNSServerSearchOrder from Win32_NetworkAdapterConfiguration where IPEnabled='true'";
ObjectQuery oQ = new ObjectQuery(strQuery);
ManagementObjectSearcher oS = new ManagementObjectSearcher(oMs, oQ);
ManagementObjectCollection oRc = oS.Get();
IsolatedStorageFile dnsFile = IsolatedStorageFile.GetStore(IsolatedStorageScope.User | IsolatedStorageScope.Domain | IsolatedStorageScope.Assembly, null, null);
foreach (ManagementObject oR in oRc)
{
if (!(oR.Properties["DNSServerSearchOrder"].Value == null))
{
foreach (string str in (Array)(oR.Properties["DNSServerSearchOrder"].Value))
{
if (str == "208.67.222.222" || str == "208.67.220.220") // in Case if the user is using the OpenDns already
{
currentOpenDNS = true;
}
}
}
}
if (currentOpenDNS)
{
string DNS_present;
DNS_present = File.ReadAllText(PasswordRequire.filePath + "DNSBackUp.bin");
string[] oldDNS = DNS_present.Split(new String[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
foreach (string dns in oldDNS)
{
if (dns == "208.67.222.222" || dns == "208.67.220.220") // If this is true , then the user was already using openDNS
{
RestoreDNS.Visibility = System.Windows.Visibility.Hidden;
break;
}
}
}
}