private void SwapDNS()
{
if (NIC_select.SelectedIndex != -1 && string.IsNullOrEmpty(IPerrorProvider.GetError(DNS_1)) && string.IsNullOrEmpty(IPerrorProvider.GetError(DNS_2)))
{
// Get current DNS server
IPAddress DNS_servers = NetworkManagement.getDNS(NIC_select.SelectedItem.ToString());
if (DNS_servers.Equals(IPAddress.Parse(Regex.Replace(DNS_1.Text, @"\s+", ""))))
{
callSwapDNS(NIC_select.SelectedItem.ToString(), Regex.Replace(DNS_2.Text, @"\s+", ""));
IPAddress ip = NetworkManagement.getDNS(NIC_select.SelectedItem.ToString());
if (ip.Equals(IPAddress.Parse(Regex.Replace(DNS_2.Text, @"\s+", ""))))
{
taskBarIcon.Icon = Resource1.icon_blue;
Icon = Resource1.icon_blue;
changeToggleBtnPosition(true);
}
else
{
taskBarIcon.Icon = Resource1.error;
}
}
else if (DNS_servers.Equals(IPAddress.Parse(Regex.Replace(DNS_2.Text, @"\s+", ""))))
{
callSwapDNS(NIC_select.SelectedItem.ToString(), Regex.Replace(DNS_1.Text, @"\s+", ""));
if (NetworkManagement.getDNS(NIC_select.SelectedItem.ToString()).Equals(IPAddress.Parse(Regex.Replace(DNS_1.Text, @"\s+", ""))))
{
taskBarIcon.Icon = Resource1.icon_red;
Icon = Resource1.icon_red;
changeToggleBtnPosition(false);
}
else
{
taskBarIcon.Icon = Resource1.error;
}
}
else
{
MessageBox.Show("Couldn't find any of the given DNS servers configured on the selected network interface", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
NetworkManagement.FlushDNSCache();
}
else
{
MessageBox.Show("Please select a network interface and enter 2 valid IPs", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
public MainMenu()
{
InitializeComponent();
//WindowState = FormWindowState.Minimized;
//ShowInTaskbar = false;
//this.Hide();
// Load network interfaces
foreach (NetworkInterface nic in NetworkInterface.GetAllNetworkInterfaces())
{
if (nic.OperationalStatus == OperationalStatus.Up)
{
if (!NIC_select.Items.Cast <string>().Contains(nic.Description))
{
NIC_select.Items.Add(nic.Description);
}
}
}
// Load previously saved user settings
NIC_select.SelectedItem = Properties.Settings.Default.NIC;
DNS_1.Text = Properties.Settings.Default.DNS_1;
DNS_2.Text = Properties.Settings.Default.DNS_2;
if (NIC_select.SelectedItem != null && !string.IsNullOrEmpty(DNS_1.Text) && !string.IsNullOrEmpty(DNS_2.Text))
{
if (NetworkManagement.getDNS().Equals(IPAddress.Parse(DNS_1.Text)))
{
taskBarIcon.Icon = Resource1.icon_red;
changeToggleBtnPosition(false);
}
else if (NetworkManagement.getDNS().Equals(IPAddress.Parse(DNS_2.Text)))
{
taskBarIcon.Icon = Resource1.icon_blue;
changeToggleBtnPosition(true);
}
}
}
public MainMenu()
{
InitializeComponent();
//WindowState = FormWindowState.Minimized;
//ShowInTaskbar = false;
//this.Hide();
// Load network interfaces
foreach (NetworkInterface nic in NetworkInterface.GetAllNetworkInterfaces())
{
if (nic.OperationalStatus == OperationalStatus.Up)
{
if (!NIC_select.Items.Cast <string>().Contains(nic.Description))
{
NIC_select.Items.Add(nic.Description);
}
}
}
// Load previously saved user settings
NIC_select.SelectedItem = Properties.Settings.Default.NIC;
// Remove blank in IP-Address
string DNS1_var = Properties.Settings.Default.DNS_1.Replace(" ", string.Empty);
string DNS2_var = Properties.Settings.Default.DNS_2.Replace(" ", string.Empty);
// Variables used for validated IP-Addresses
IPAddress DNS1_IP = new IPAddress(new byte[] { 127, 0, 0, 1 });
IPAddress DNS2_IP = new IPAddress(new byte[] { 127, 0, 0, 1 });
if (string.IsNullOrEmpty(DNS1_var) || string.IsNullOrEmpty(DNS2_var))
{
// No DNS servers configured
MessageBox.Show("Tool not configured yet", "DNS-Swapper configuration missing", MessageBoxButtons.OK, MessageBoxIcon.Information);
Show();
WindowState = FormWindowState.Normal;
ShowInTaskbar = true;
}
else
{
// Validate configuration
if ((IPAddress.TryParse(DNS1_var, out DNS1_IP)) && (IPAddress.TryParse(DNS2_var, out DNS2_IP)))
{
// DNS server IPs valid
// Set Loaded variables into settings text boxes
DNS_1.Text = DNS1_var;
DNS_2.Text = DNS2_var;
if (NIC_select.SelectedItem != null && !string.IsNullOrEmpty(DNS_1.Text) && !string.IsNullOrEmpty(DNS_2.Text))
{
if (NetworkManagement.getDNS().Equals(DNS1_IP))
{
taskBarIcon.Icon = Resource1.icon_red;
changeToggleBtnPosition(false);
}
else if (NetworkManagement.getDNS().Equals(DNS2_IP))
{
taskBarIcon.Icon = Resource1.icon_blue;
changeToggleBtnPosition(true);
}
}
}
else
{
// DNS server IP(s) invalid - give error
MessageBox.Show("Invalid configuration detected. Resetting settings to default", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
resetToolStripMenuItem_Click(null, null);
saveSettings();
Show();
WindowState = FormWindowState.Normal;
ShowInTaskbar = true;
}
}
}
public MainMenu()
{
AutoUpdater.Start("https://www.tryallthethings.xyz/downloads/DNS-Swapper.xml");
InitializeComponent();
// Upgrade settings file (user.config in %LOCALAPPDATA%\DNS_Swapper from previous version
Settings.Default.Upgrade();
// Load network interfaces
scanNICs();
// Load previously saved user settings
NIC_select.SelectedIndex = NIC_select.FindStringExact(Settings.Default.NIC);
// Remove blank in IP-Address
string DNS1_var = Settings.Default.DNS_1.Replace(" ", string.Empty);
string DNS2_var = Settings.Default.DNS_2.Replace(" ", string.Empty);
// Variables used for validated IP-Addresses
IPAddress DNS1_IP = new IPAddress(new byte[] { 127, 0, 0, 1 });
IPAddress DNS2_IP = new IPAddress(new byte[] { 127, 0, 0, 1 });
if (string.IsNullOrEmpty(DNS1_var) || string.IsNullOrEmpty(DNS2_var))
{
// No DNS servers configured
MessageBox.Show("Tool not configured yet", "DNS-Swapper configuration missing", MessageBoxButtons.OK, MessageBoxIcon.Information);
Show();
WindowState = FormWindowState.Normal;
ShowInTaskbar = true;
}
else
{
// Validate configuration
if (IPAddress.TryParse(DNS1_var, out DNS1_IP) && IPAddress.TryParse(DNS2_var, out DNS2_IP))
{
// DNS server IPs valid
// Set Loaded variables into settings text boxes
DNS_1.Text = DNS1_var;
DNS_2.Text = DNS2_var;
// Set taskbar icon color
if (NIC_select.SelectedItem != null && !string.IsNullOrEmpty(DNS_1.Text) && !string.IsNullOrEmpty(DNS_2.Text))
{
if (NetworkManagement.getDNS(NIC_select.SelectedItem.ToString()).Equals(DNS1_IP))
{
taskBarIcon.Icon = Resource1.icon_red;
changeToggleBtnPosition(false);
}
else if (NetworkManagement.getDNS(NIC_select.SelectedItem.ToString()).Equals(DNS2_IP))
{
taskBarIcon.Icon = Resource1.icon_blue;
changeToggleBtnPosition(true);
}
}
}
else
{
// DNS server IP(s) invalid - display error message
MessageBox.Show("Invalid configuration detected. Resetting settings to default", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
resetToolStripMenuItem_Click(null, null);
saveSettings();
Show();
WindowState = FormWindowState.Normal;
ShowInTaskbar = true;
}
}
}
