-> IPScanner added

-> PortScanner added

Networking/IPScannerLib/IPRanges.cs

@@ -0,0 +1,53 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net;
+using System.Net.NetworkInformation;
+using System.Net.Sockets;
+using System.Text;
+
+namespace IPScanner
+{
+	public static class IPRanges
+	{
+		public static List<Tuple<IPAddress, IPAddress>> GetOperationalIPRanges()
+		{
+			List<Tuple<IPAddress, IPAddress>> ranges = new List<Tuple<IPAddress, IPAddress>>();
+
+			foreach (NetworkInterface netInterface in NetworkInterface.GetAllNetworkInterfaces())
+			{
+				if (netInterface.OperationalStatus != OperationalStatus.Up)
+					continue;
+				IPInterfaceProperties ipProps = netInterface.GetIPProperties();
+				foreach (UnicastIPAddressInformation addr in ipProps.UnicastAddresses)
+				{
+					if (addr.Address.AddressFamily == AddressFamily.InterNetwork)
+						ranges.Add(new Tuple<IPAddress, IPAddress>(GetLowestInRange(addr.Address, addr.IPv4Mask), GetHighestInRange(addr.Address, addr.IPv4Mask)));
+				}
+			}
+			return ranges;
+		}
+		private static IPAddress GetLowestInRange(IPAddress address, IPAddress mask)
+		{
+			byte[] addressBytes = address.GetAddressBytes();
+			byte[] maskBytes = mask.GetAddressBytes();
+			if (addressBytes.Length != 4 || maskBytes.Length != 4)
+				return IPAddress.None;
+			byte[] lowest = new byte[4];
+			for (var i = 0; i < 4; i++)
+				lowest[i] = (byte)(addressBytes[i] & maskBytes[i]);
+			return new IPAddress(lowest);
+		}
+		private static IPAddress GetHighestInRange(IPAddress address, IPAddress mask)
+		{
+			byte[] addressBytes = address.GetAddressBytes();
+			byte[] maskBytes = mask.GetAddressBytes();
+			if (addressBytes.Length != 4 || maskBytes.Length != 4)
+				return IPAddress.None;
+			byte[] highest = new byte[4];
+			for (var i = 0; i < 4; i++)
+				highest[i] = (byte)((addressBytes[i] & maskBytes[i]) | ~maskBytes[i]);
+			return new IPAddress(highest);
+		}
+	}
+}