From dd1cbcfb86eeea6cd84bc4ffb91dda8bfa62f0b3 Mon Sep 17 00:00:00 2001
From: Harald Wolff <haraldwolff@pc-harald.waldrennach.l--n.de>
Date: Thu, 9 May 2019 09:53:48 +0200
Subject: [PATCH] WIP

---
 session/SessionManager.cs | 66 +++++++++++++++++++++++++++++++++------
 users/HotspotUser.cs      |  2 +-
 2 files changed, 57 insertions(+), 11 deletions(-)

diff --git a/session/SessionManager.cs b/session/SessionManager.cs
index 5f35d82..dcb54b3 100644
--- a/session/SessionManager.cs
+++ b/session/SessionManager.cs
@@ -39,30 +39,76 @@ namespace skyspot.session
         private void InitializeRadius()
         {
             accountingRadius= new RadiusServer(new IPEndPoint(IPAddress.Any,1812));
-            .LookupSecret = LookupRadiusSecret;
-            radiusServer.MessageReceived = RadiusMessageReceived;
+            locatorRadius = new RadiusServer(new IPEndPoint(IPAddress.Any, 1816));
+
+            accountingRadius.LookupSecret = (endPoint) => SecretsStore.LookupSecret(endPoint);
+            locatorRadius.LookupSecret = (endPoint) => SecretsStore.LookupSecret(endPoint);
+
+            locatorRadius.MessageReceived = LocatorMessageReceived;
+            accountingRadius.MessageReceived = AccountingMessageReceived;
         }
 
-        byte[] LookupRadiusSecret(IPEndPoint remoteEndpoint)
-        {
-            return defaultSecret;
-        }
-        void RadiusMessageReceived(RadiusServer radiusServer, RadiusMessage radiusMessage)
+        /**
+         * Locator Service
+         * 
+         **/
+        void LocatorMessageReceived(RadiusServer radiusServer, RadiusMessage radiusMessage)
         {
             Logging.Log(LogLevel.INFO, "Radius Message received: {0}", radiusMessage);
-            switch ( radiusMessage.Code)
+            switch (radiusMessage.Code)
             {
                 case RadiusCode.AccessRequest:
-                    AccessRequest(radiusServer, radiusMessage);
+                    LocatorAccessRequest(radiusServer, radiusMessage);
                     break;
             }
         }
 
-        void AccessRequest(RadiusServer radiusServer, RadiusMessage radiusMessage)
+        void LocatorAccessRequest(RadiusServer radiusServer, RadiusMessage radiusMessage)
         {
 
         }
 
+        /**
+         * 
+         * Accounting Service
+         * 
+         **/
+        void AccountingMessageReceived(RadiusServer radiusServer, RadiusMessage radiusMessage)
+        {
+            Logging.Log(LogLevel.INFO, "Radius Message received: {0}", radiusMessage);
+            switch (radiusMessage.Code)
+            {
+                case RadiusCode.AccessRequest:
+                    AccountingAccessRequest(radiusServer, radiusMessage);
+                    break;
+            }
+        }
+
+        void AccountingAccessRequest(RadiusServer radiusServer, RadiusMessage radiusMessage)
+        {
+            RadiusAttribute.UserName userName = radiusMessage.GetAttribute<RadiusAttribute.UserName>();
+            RadiusAttribute.UserPassword userPassword = radiusMessage.GetAttribute<RadiusAttribute.UserPassword>();
+            RadiusAttribute.CalledStationID calledStationID = radiusMessage.GetAttribute<RadiusAttribute.CalledStationID>();
+
+            if ((userName == null) || (calledStationID == null))
+            {
+                Logging.Log(LogLevel.WARNING, "InvalidRequest: UserName={0} CalledStationID={1}",userName,calledStationID);
+                return;
+            }
+
+            MAC clientMac = new MAC(userName.AsText);
+            String instanceName = calledStationID.AsText;
+
+
+            Logging.Log(LogLevel.INFO, "Accounting: Session start for client {0} on Network {1}",clientMac, instanceName);
+
+            RadiusMessage reply = new RadiusMessage(radiusMessage.EndPoint, RadiusCode.AccessAccept);
+            reply.Identifier = radiusMessage.Identifier;
+
+            reply.Authenticate(SecretsStore.LookupSecret(reply.EndPoint));
+            radiusServer.Send(reply);
+        }
+
 
     }
 }
diff --git a/users/HotspotUser.cs b/users/HotspotUser.cs
index 816523f..237e634 100644
--- a/users/HotspotUser.cs
+++ b/users/HotspotUser.cs
@@ -34,7 +34,7 @@ namespace skyspot.users
             }
         }
 
-        public IEnumerable<HotspotSession> ActiveSessions { get; }
+        //public IEnumerable<HotspotSession> ActiveSessions { get; }
 
 
         public HotspotUser()