private bool ValidateConfigs()
{
string ip = tapIPAddress.Text;
string subnet = tapSubnet.Text;
string gateway = tapGateway.Text;
string dns = tapDnsServer.Text;
if (Regex.IsMatch(tapSubnet.Text, @"^\s*$"))
{
tapSubnet.Text = "255.255.255.0";
}
if (!IP.ValidateIPv4Mask(ref subnet))
{
new BalloonTip("Warning", "Invalid IPv4 subnet mask", tapSubnet, BalloonTip.ICON.WARNING);
return(false);
}
tapSubnet.Text = subnet;
if (!IP.ValidateIPv4(ref ip, subnet))
{
new BalloonTip("Warning", "Invalid IPv4 address", tapIPAddress, BalloonTip.ICON.WARNING);
return(false);
}
tapIPAddress.Text = ip;
if (!IP.ValidateIPv4(ref gateway))
{
new BalloonTip("Warning", "Invalid IPv4 address", tapGateway, BalloonTip.ICON.WARNING);
return(false);
}
tapGateway.Text = gateway;
if (!IP.CheckIfSameNetwork(ip, gateway, subnet))
{
new BalloonTip("Warning", "The gateway IPv4 address is not in the same natework", tapGateway, BalloonTip.ICON.WARNING);
return(false);
}
if (IP.CheckIfSameNetwork(ip, gateway, "255.255.255.255"))
{
new BalloonTip("Warning", "Default gateway can't be the same as the local address.", tapGateway, BalloonTip.ICON.WARNING);
return(false);
}
if (!IP.ValidateIPv4(ref dns))
{
new BalloonTip("Warning", "Invalid IPv4 address", tapDnsServer, BalloonTip.ICON.WARNING);
return(false);
}
tapDnsServer.Text = dns;
return(true);
}
private bool ValidateRoute()
{
IPAddress ipAddress = new IPAddress(0);
string destination = routeDestination.Text;
string prefix = routePrefix.Text;
string gateway = routeGateway.Text;
if (ipVersion == 4)
{
if (prefix == "")
{
prefix = "255.255.255.255";
}
if (gateway == "")
{
gateway = "0.0.0.0";
}
if (destination == "" ||
!IPAddress.TryParse(destination, out ipAddress) ||
ipAddress.AddressFamily != System.Net.Sockets.AddressFamily.InterNetwork ||
Environment.OSVersion.Version.CompareTo(new Version("6.0")) < 0 && IP.CheckIfSameNetwork(destination, "240.0.0.0", "240.0.0.0"))
{
new BalloonTip("Warning", "Invalid IPv4 address", routeDestination, BalloonTip.ICON.WARNING);
return(false);
}
if (!IP.ValidateIPv4Mask(ref prefix))
{
new BalloonTip("Warning", "Invalid IPv4 subnet mask", routePrefix, BalloonTip.ICON.WARNING);
return(false);
}
routeDestination.Text = IP.GetNetwork(destination, prefix);
routePrefix.Text = prefix;
if (!IPAddress.TryParse(gateway, out ipAddress) ||
ipAddress.AddressFamily != System.Net.Sockets.AddressFamily.InterNetwork ||
Environment.OSVersion.Version.CompareTo(new Version("6.0")) > -1 && IP.CheckIfSameNetwork(gateway, "0.0.0.0", "255.0.0.0") && !IP.CheckIfSameNetwork(gateway, "0.0.0.0", "255.255.255.255") ||
Environment.OSVersion.Version.CompareTo(new Version("6.0")) < 0 && IP.CheckIfSameNetwork(gateway, "0.0.0.0", "255.255.255.255") ||
IP.CheckIfSameNetwork(gateway, "224.0.0.0", "224.0.0.0") ||
IP.CheckIfSameNetwork(gateway, "240.0.0.0", "240.0.0.0"))
{
new BalloonTip("Warning", "Invalid IPv4 gateway address", routeGateway, BalloonTip.ICON.WARNING);
return(false);
}
routeGateway.Text = gateway;
}
else
{
if (prefix == "")
{
prefix = "128";
}
if (gateway == "")
{
gateway = "::";
}
if (destination == "" || !IPAddress.TryParse(destination, out ipAddress) ||
ipAddress.AddressFamily != System.Net.Sockets.AddressFamily.InterNetworkV6)
{
new BalloonTip("Warning", "Invalid IPv6 address", routeDestination, BalloonTip.ICON.WARNING);
return(false);
}
if (!IP.ValidateIPv6Prefix(ref prefix))
{
new BalloonTip("Warning", "Invalid IPv6 subnet prefix length. Value must between 0 and 128 (inclusive)", routePrefix, BalloonTip.ICON.WARNING);
return(false);
}
routeDestination.Text = IP.GetNetwork(destination, prefix);
routePrefix.Text = prefix;
if (!IP.ValidateIPv6(ref gateway))
// && !Regex.IsMatch(gateway, @"^(::1|::)$") && IPAddress.TryParse(gateway, out ipAddress) && ipAddress.AddressFamily != System.Net.Sockets.AddressFamily.InterNetworkV6)
{
new BalloonTip("Warning", "Invalid IPv6 address", routeGateway, BalloonTip.ICON.WARNING);
return(false);
}
routeGateway.Text = gateway;
}
if (routeInterface.SelectedIndex == -1)
{
new BalloonTip("Information", "Select the interface through which to route", routeInterface, BalloonTip.ICON.INFO);
return(false);
}
if (routeMetric.Text == "")
{
if (Environment.OSVersion.Version.CompareTo(new Version("6.0")) > -1)
{
routeMetric.Text = "0";
}
else
{
routeMetric.Text = "1";
}
}
if (Environment.OSVersion.Version.CompareTo(new Version("6.0")) < 0)
{
if (ushort.Parse(routeMetric.Text) == 0)
{
new BalloonTip("Warning", "Route metric must be a value between 1 and 9999 (inclusive)", routeMetric, BalloonTip.ICON.WARNING);
return(false);
}
}
List <Iphlpapi.Route> routes = Iphlpapi.GetRoutes(Iphlpapi.FAMILY.AF_UNSPEC);
if (routes.Where((i) =>
IPAddress.Parse(i.Destination).Equals(IPAddress.Parse(routeDestination.Text)) &&
(ipVersion == 4 ? IPAddress.Parse(i.Prefix).Equals(IPAddress.Parse(routePrefix.Text)) : int.Parse(i.Prefix) == int.Parse(routePrefix.Text)) &&
IPAddress.Parse(i.Gateway).Equals(IPAddress.Parse(routeGateway.Text)) &&
i.InterfaceIndex.ToString() == Regex.Replace(routeInterface.Text, @"^(\d+) .*$", "$1")).Count() > 0)
{
new BalloonTip("Error", "Route already exists", button1, BalloonTip.ICON.ERROR);
return(false);
}
return(true);
}
private bool ValidateRoute()
{
IPAddress ipAddress = new IPAddress(0);
string destination = routeDestination.Text;
string prefix = routePrefix.Text;
string gateway = routeGateway.Text;
if (ipVersion == 4)
{
if (prefix == "")
{
prefix = "255.255.255.255";
}
if (gateway == "")
{
gateway = "0.0.0.0";
}
if (destination == "" ||
!IPAddress.TryParse(destination, out ipAddress) ||
ipAddress.AddressFamily != System.Net.Sockets.AddressFamily.InterNetwork ||
Environment.OSVersion.Version.CompareTo(new Version("6.0")) < 0 && IP.CheckIfSameNetwork(destination, "240.0.0.0", "240.0.0.0"))
{
new BalloonTip("Warning", "Invalid IPv4 address", routeDestination, BalloonTip.ICON.WARNING);
return(false);
}
if (!IP.ValidateIPv4Mask(ref prefix))
{
new BalloonTip("Warning", "Invalid IPv4 subnet mask", routePrefix, BalloonTip.ICON.WARNING);
return(false);
}
routeDestination.Text = IP.GetNetwork(destination, prefix);
routePrefix.Text = prefix;
if (!IPAddress.TryParse(gateway, out ipAddress) ||
ipAddress.AddressFamily != System.Net.Sockets.AddressFamily.InterNetwork ||
Environment.OSVersion.Version.CompareTo(new Version("6.0")) > -1 && IP.CheckIfSameNetwork(gateway, "0.0.0.0", "255.0.0.0") && !IP.CheckIfSameNetwork(gateway, "0.0.0.0", "255.255.255.255") ||
Environment.OSVersion.Version.CompareTo(new Version("6.0")) < 0 && IP.CheckIfSameNetwork(gateway, "0.0.0.0", "255.255.255.255") ||
IP.CheckIfSameNetwork(gateway, "224.0.0.0", "224.0.0.0") ||
IP.CheckIfSameNetwork(gateway, "240.0.0.0", "240.0.0.0"))
{
new BalloonTip("Warning", "Invalid IPv4 gateway address", routeGateway, BalloonTip.ICON.WARNING);
return(false);
}
routeGateway.Text = gateway;
}
else
{
if (prefix == "")
{
prefix = "128";
}
if (gateway == "")
{
gateway = "::";
}
if (destination == "" || !IPAddress.TryParse(destination, out ipAddress) ||
ipAddress.AddressFamily != System.Net.Sockets.AddressFamily.InterNetworkV6)
{
new BalloonTip("Warning", "Invalid IPv6 address", routeDestination, BalloonTip.ICON.WARNING);
return(false);
}
if (!IP.ValidateIPv6Prefix(prefix))
{
new BalloonTip("Warning", "Invalid IPv6 subnet prefix length. Value must between 0 and 128 (inclusive)", routePrefix, BalloonTip.ICON.WARNING);
return(false);
}
routeDestination.Text = IP.GetNetwork(destination, prefix);
routePrefix.Text = prefix;
if (!IP.ValidateIPv6(ref gateway))
// && !Regex.IsMatch(gateway, @"^(::1|::)$") && IPAddress.TryParse(gateway, out ipAddress) && ipAddress.AddressFamily != System.Net.Sockets.AddressFamily.InterNetworkV6)
{
new BalloonTip("Warning", "Invalid IPv6 address", routeGateway, BalloonTip.ICON.WARNING);
return(false);
}
routeGateway.Text = gateway;
}
if (routeInterface.SelectedIndex == -1)
{
new BalloonTip("Information", "Select the interface through which to route", routeInterface, BalloonTip.ICON.INFO);
return(false);
}
if (routeMetric.Text == "")
{
if (Environment.OSVersion.Version.CompareTo(new Version("6.0")) > -1)
{
routeMetric.Text = "0";
}
else
{
routeMetric.Text = "1";
}
}
if (Environment.OSVersion.Version.CompareTo(new Version("6.0")) < 0)
{
if (ushort.Parse(routeMetric.Text) == 0)
{
new BalloonTip("Warning", "Route metric must be a value between 1 and 9999 (inclusive)", routeMetric, BalloonTip.ICON.WARNING);
return(false);
}
}
return(true);
}
private bool ValidateRoute(ref string destination, ref string prefix, ref string gateway, int ipVersion)
{
IPAddress ipAddress = new IPAddress(0);
if (ipVersion == 4)
{
if (prefix == "")
{
return(false);
}
if (gateway == "")
{
return(false);
}
if (destination == "" ||
!IPAddress.TryParse(destination, out ipAddress) ||
ipAddress.AddressFamily != System.Net.Sockets.AddressFamily.InterNetwork ||
Environment.OSVersion.Version.CompareTo(new Version("6.0")) < 0 && IP.CheckIfSameNetwork(destination, "240.0.0.0", "240.0.0.0"))
{
return(false);
}
if (!IP.ValidateIPv4Mask(ref prefix))
{
return(false);
}
destination = IP.GetNetwork(destination, prefix);
if (!IPAddress.TryParse(gateway, out ipAddress) ||
ipAddress.AddressFamily != System.Net.Sockets.AddressFamily.InterNetwork ||
Environment.OSVersion.Version.CompareTo(new Version("6.0")) > -1 && IP.CheckIfSameNetwork(gateway, "0.0.0.0", "255.0.0.0") && !IP.CheckIfSameNetwork(gateway, "0.0.0.0", "255.255.255.255") ||
Environment.OSVersion.Version.CompareTo(new Version("6.0")) < 0 && IP.CheckIfSameNetwork(gateway, "0.0.0.0", "255.255.255.255") ||
IP.CheckIfSameNetwork(gateway, "224.0.0.0", "224.0.0.0") ||
IP.CheckIfSameNetwork(gateway, "240.0.0.0", "240.0.0.0"))
{
return(false);
}
}
else
{
if (prefix == "")
{
return(false);
}
if (gateway == "")
{
return(false);
}
if (destination == "" || !IPAddress.TryParse(destination, out ipAddress) ||
ipAddress.AddressFamily != System.Net.Sockets.AddressFamily.InterNetworkV6)
{
return(false);
}
if (!IP.ValidateIPv6Prefix(ref prefix))
{
return(false);
}
destination = IP.GetNetwork(destination, prefix);
if (!IP.ValidateIPv6(ref gateway))
{
return(false);
}
}
return(true);
}
private bool ValidateConfigs()
{
IPAddress ipAddress = new IPAddress(0);
if (loadIPv4 > 0 && NotConnectedIPv4Interfaces > 0 && defaultInterfaceMode.SelectedIndex == 0 ||
loadIPv4 > 0 && defaultInterfaceMode.SelectedIndex == 1)
{
if (defaultIPv4Interface.SelectedIndex == -1)
{
tabControl1.SelectTab(0);
new BalloonTip("Information", "Select the default IPv4 interface through which to route", defaultIPv4Interface, BalloonTip.ICON.INFO);
return(false);
}
if (defaultIPv4GatewayMode.SelectedIndex != 3)
{
string ipv4Gateway = defaultIPv4Gateway.Text;
if (ipv4Gateway == "")
{
ipv4Gateway = "0.0.0.0";
}
if (!IPAddress.TryParse(ipv4Gateway, out ipAddress) ||
ipAddress.AddressFamily != System.Net.Sockets.AddressFamily.InterNetwork ||
Environment.OSVersion.Version.CompareTo(new Version("6.0")) > -1 && IP.CheckIfSameNetwork(ipv4Gateway, "0.0.0.0", "255.0.0.0") && !IP.CheckIfSameNetwork(ipv4Gateway, "0.0.0.0", "255.255.255.255") ||
Environment.OSVersion.Version.CompareTo(new Version("6.0")) < 0 && IP.CheckIfSameNetwork(ipv4Gateway, "0.0.0.0", "255.255.255.255") ||
IP.CheckIfSameNetwork(ipv4Gateway, "224.0.0.0", "224.0.0.0") ||
IP.CheckIfSameNetwork(ipv4Gateway, "240.0.0.0", "240.0.0.0"))
{
tabControl1.SelectTab(0);
new BalloonTip("Warning", "Invalid IPv4 gateway address", defaultIPv4Gateway, BalloonTip.ICON.WARNING);
return(false);
}
defaultIPv4Gateway.Text = ipv4Gateway;
}
}
if (loadIPv6 > 0 && NotConnectedIPv6Interfaces > 0 && defaultInterfaceMode.SelectedIndex == 0 ||
loadIPv6 > 0 && defaultInterfaceMode.SelectedIndex == 1)
{
if (defaultIPv6Interface.SelectedIndex == -1)
{
tabControl1.SelectTab(1);
new BalloonTip("Information", "Select the default IPv6 interface through which to route", defaultIPv6Interface, BalloonTip.ICON.INFO);
return(false);
}
if (defaultIPv6GatewayMode.SelectedIndex != 3)
{
string ipv6Gateway = defaultIPv6Gateway.Text;
if (ipv6Gateway == "")
{
ipv6Gateway = "0.0.0.0";
}
if (!IP.ValidateIPv6(ref ipv6Gateway))
// && !Regex.IsMatch(gateway, @"^(::1|::)$") && IPAddress.TryParse(gateway, out ipAddress) && ipAddress.AddressFamily != System.Net.Sockets.AddressFamily.InterNetworkV6)
{
tabControl1.SelectTab(1);
new BalloonTip("Warning", "Invalid IPv6 gateway address", defaultIPv6Gateway, BalloonTip.ICON.WARNING);
return(false);
}
defaultIPv6Gateway.Text = ipv6Gateway;
}
}
return(true);
}