LupusNobilis
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ln.radius
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WIP

master
Harald Wolff 2019-05-07 10:21:47 +02:00
parent a6decbd443
commit 0141fb51b9
3 changed files with 35 additions and 4 deletions
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4
RadiusAttribute.cs
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@ -63,8 +63,8 @@ namespace ln.radius
return String.Format("[RadiusAttribute Type={0} {1}]", Name, Encoding.ASCII.GetString(Bytes));
}
static Dictionary<byte, string> attributeNames = new Dictionary<byte, string>();
static Dictionary<byte, RadiusAttributeFactory> attributeFactories = new Dictionary<byte, RadiusAttributeFactory>();
static internal Dictionary<byte, string> attributeNames = new Dictionary<byte, string>();
static internal Dictionary<byte, RadiusAttributeFactory> attributeFactories = new Dictionary<byte, RadiusAttributeFactory>();
public static RadiusAttribute Create(byte attributeType)
{
if (attributeFactories.ContainsKey(attributeType))

33
RadiusMessage.cs
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@ -13,6 +13,7 @@ using System.Collections.Generic;
using System.IO;
using ln.types;
using System.Security.Cryptography;
using ln.logging;
namespace ln.radius
{
public enum RadiusCode : byte {
@ -54,6 +55,15 @@ namespace ln.radius
Code = radiusCode;
}
public RAT GetAttribute<RAT>(string attrName) where RAT : RadiusAttribute => (RAT)GetAttribute(attrName);
public RadiusAttribute GetAttribute(string attrName)
{
foreach (RadiusAttribute radiusAttribute in radiusAttributes)
if (radiusAttribute.Name.Equals(attrName))
return radiusAttribute;
throw new KeyNotFoundException();
}
public byte[] Authenticate(byte[] secret)
{
byte[] packet = ToBytes();
@ -65,6 +75,29 @@ namespace ln.radius
return packet;
}
public bool IsAuthentic(byte[] secret)
{
byte[] authenticator = Authenticator;
bool authentic = false;
try
{
Authenticator = new byte[16];
byte[] packet = ToBytes();
MD5 md5 = MD5.Create();
md5.TransformBlock(packet, 0, packet.Length, null, 0);
md5.TransformFinalBlock(secret, 0, secret.Length);
authentic = authenticator.AreEqual(md5.Hash);
} catch (Exception e)
{
Logging.Log(LogLevel.ERROR, "RadiusMessage.IsAuthentic(): {0}", e);
Logging.Log(e);
}
Authenticator = authenticator;
return authentic;
}
public byte[] ToBytes()
{
using (MemoryStream memoryStream = new MemoryStream())

2
RadiusServer.cs
View File

@ -61,7 +61,6 @@ namespace ln.radius
}
}
private void ListenerThread(UdpClient udp)
{
try
@ -73,7 +72,6 @@ namespace ln.radius
try
{
RadiusMessage radiusMessage = RadiusMessage.FromBytes(rx, remoteEndPoint);
Logging.Log("RX: {0}",radiusMessage.ToString());
RequestPool.Enqueue(() => MessageReceived(this, radiusMessage));
} catch (Exception e)
{