Fix remaining moon-unit failures wrt Sockets changes

* System.Net.Sockets/Socket_2_1.cs: Ensure RemoteEndPoint is always
available after ConnectAsync (connected or not, allowed or not).
Ensure the Connect event is fired even if denied by policy.

mcs/class/System/System.Net.Sockets/Socket_2_1.cs

@@ -573,6 +573,11 @@ public void Connect ()
 #if !MOONLIGHT
 				bool is_mconnect = (mconnect != null && mconnect.Addresses != null);
 #else
+				if (result.ErrorCode == SocketError.AccessDenied) {
+					result.Complete ();
+					result.DoMConnectCallback ();
+					return;
+				}
 				bool is_mconnect = false;
 #endif
 				try {
@@ -1605,6 +1610,8 @@ bool GetCheckedIPs (SocketAsyncEventArgs e, out IPAddress [] addresses)
 							continue;
 						valid.Add (a);
 					}
+					if (valid.Count == 0)
+		 				e.SocketError = SocketError.AccessDenied;
 					addresses = valid.ToArray ();
 				}
 #endif
@@ -1615,6 +1622,8 @@ bool GetCheckedIPs (SocketAsyncEventArgs e, out IPAddress [] addresses)
 				if (!e.PolicyRestricted && !SecurityManager.HasElevatedPermissions) {
 					if (CrossDomainPolicyManager.CheckEndPoint (e.RemoteEndPoint, e.SocketClientAccessPolicyProtocol))
 						return false;
+		 			else
+						e.SocketError = SocketError.AccessDenied;
 				} else
 #endif
 					return false;
@@ -1631,11 +1640,23 @@ bool ConnectAsyncReal (SocketAsyncEventArgs e)
 			bool use_remoteep = true;
 #if MOONLIGHT || NET_4_0
 			use_remoteep = !GetCheckedIPs (e, out addresses);
+			bool policy_failed = (e.SocketError == SocketError.AccessDenied);
 #endif
 			e.curSocket = this;
 			Worker w = e.Worker;
 			w.Init (this, e, SocketOperation.Connect);
 			SocketAsyncResult result = w.result;
+#if MOONLIGHT
+			if (policy_failed) {
+				// SocketAsyncEventArgs.Completed must be called
+				connected = false;
+				result.EndPoint = e.RemoteEndPoint;
+				result.error = (int) SocketError.AccessDenied;
+				result.Complete ();
+				socket_pool_queue (Worker.Dispatcher, result);
+				return true;
+			}
+#endif
 			IAsyncResult ares = null;
 			try {
 				if (use_remoteep) {
@@ -1699,6 +1720,9 @@ public bool ConnectAsync (SocketAsyncEventArgs e)
 			if ((raf != AddressFamily.Unspecified) && (raf != AddressFamily))
 				throw new NotSupportedException ("AddressFamily mismatch between socket and endpoint");
 
+			// connected, not yet connected or even policy denied, the Socket.RemoteEndPoint is always 
+			// available after the ConnectAsync call
+			seed_endpoint = e.RemoteEndPoint;
 			return ConnectAsyncReal (e);
 		}