reply with CANT_REACH_PEER if connect to outselves

libi2pd_client/SAM.cpp

@@ -522,6 +522,8 @@ namespace client
 			if (addr && addr->IsValid ())
 			{
 				if (addr->IsIdentHash ())
+				{
+					if (session->GetLocalDestination ()->GetIdentHash () != addr->identHash)
 					{	
 						auto leaseSet = session->GetLocalDestination ()->FindLeaseSet(addr->identHash);
 						if (leaseSet)
@@ -533,6 +535,9 @@ namespace client
 								shared_from_this(), std::placeholders::_1));
 						}
 					}
+					else
+						SendStreamCantReachPeer ("Can't connect to myself");
+				}
 				else // B33
 					session->GetLocalDestination ()->RequestDestinationWithEncryptedLeaseSet (addr->blindedPublicKey,
 						std::bind(&SAMSocket::HandleConnectLeaseSetRequestComplete,