/**
* Proxies the given packet to the server given in the Proxy connection.
* Stores the Proxy connection object in the cache with a key that
* is added to the packet in the "Proxy-State" attribute.
* @param packet the packet to Proxy
* @param proxyCon the RadiusProxyConnection for this packet
* @throws IOException
*/
protected void proxyPacket(RadiusPacket packet, RadiusProxyConnection proxyConnection)
{
lock (typeof(RadiusProxy))
{
// add Proxy-State attribute
proxyIndex++;
String proxyIndexStr = proxyIndex.ToString();
packet.AddAttribute(new RadiusAttribute(33, Encoding.UTF8.GetBytes(proxyIndexStr)));
// store RadiusProxyConnection object
proxyConnections.Add(proxyIndexStr, proxyConnection);
}
// get server address
//IPAddress serverAddress = proxyConnection.getRadiusServer().EndpointAddress.Address;
//int serverPort = proxyConnection.getRadiusServer().EndpointAddress.Port;
String serverSecret = proxyConnection.RadiusServer.SharedSecret;
// save request authenticator (will be calculated new)
byte[] auth = packet.Authenticator;
// encode new packet (with new authenticator)
var bos = new MemoryStream();
packet.EncodeRequestPacket(bos, serverSecret);
byte[] data = bos.ToArray();
bos.Dispose();
//var datagram = new DatagramPacket(data, data.Length, serverAddress, serverPort);
// restore original authenticator
packet.Authenticator = auth;
// send packet
//Socket proxySocket = new Socket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.IP);
proxySocket.Send(data, data.Length);
//proxySocket.send(datagram);
}
public void TestCreatingAndParsingPacket()
{
var secret = "xyzzy5461";
var dictionary = GetDictionary();
var packet = new RadiusPacket(PacketCode.AccessRequest, 1, secret);
packet.AddAttribute("User-Name", "*****@*****.**");
packet.AddAttribute("User-Password", "test");
packet.AddAttribute("NAS-IP-Address", IPAddress.Parse("127.0.0.1"));
packet.AddAttribute("NAS-Port", 100);
packet.AddAttribute("3GPP-IMSI-MCC-MNC", "24001");
packet.AddAttribute("3GPP-CG-Address", IPAddress.Parse("127.0.0.1"));
var testPacket = RadiusPacket.Parse(packet.GetBytes(dictionary), dictionary, Encoding.UTF8.GetBytes(secret));
Assert.AreEqual("*****@*****.**", testPacket.GetAttribute <String>("User-Name"));
Assert.AreEqual("test", testPacket.GetAttribute <String>("User-Password"));
Assert.AreEqual(IPAddress.Parse("127.0.0.1"), testPacket.GetAttribute <IPAddress>("NAS-IP-Address"));
Assert.AreEqual(100, testPacket.GetAttribute <UInt32>("NAS-Port"));
Assert.AreEqual("24001", testPacket.GetAttribute <String>("3GPP-IMSI-MCC-MNC"));
Assert.AreEqual(IPAddress.Parse("127.0.0.1"), testPacket.GetAttribute <IPAddress>("3GPP-CG-Address"));
}
public void TestCreatingAndParsingPacket()
{
var secret = "xyzzy5461";
var packet = new RadiusPacket(PacketCode.AccessRequest, 1, secret);
packet.AddAttribute("User-Name", "*****@*****.**");
packet.AddAttribute("User-Password", "test");
packet.AddAttribute("NAS-IP-Address", IPAddress.Parse("127.0.0.1"));
packet.AddAttribute("NAS-Port", 100);
packet.AddAttribute("3GPP-IMSI-MCC-MNC", "24001");
packet.AddAttribute("3GPP-CG-Address", IPAddress.Parse("127.0.0.1"));
var radiusPacketParser = new RadiusPacketParser(NullLogger <RadiusPacketParser> .Instance, GetDictionary());
var testPacket = radiusPacketParser.Parse(radiusPacketParser.GetBytes(packet), Encoding.UTF8.GetBytes(secret));
Assert.AreEqual("*****@*****.**", testPacket.GetAttribute <string>("User-Name"));
Assert.AreEqual("test", testPacket.GetAttribute <string>("User-Password"));
Assert.AreEqual(IPAddress.Parse("127.0.0.1"), testPacket.GetAttribute <IPAddress>("NAS-IP-Address"));
Assert.AreEqual(IPAddress.Parse("127.0.0.1"), testPacket.GetAttributes <IPAddress>("NAS-IP-Address").First()); // this should actually be tested with EAP-Message attributes
Assert.AreEqual(100, testPacket.GetAttribute <uint>("NAS-Port"));
Assert.AreEqual("24001", testPacket.GetAttribute <string>("3GPP-IMSI-MCC-MNC"));
Assert.AreEqual(IPAddress.Parse("127.0.0.1"), testPacket.GetAttribute <IPAddress>("3GPP-CG-Address"));
}
