handle ipv6 exit traffic

llarp/handlers/exit.cpp

@@ -92,7 +92,6 @@ namespace llarp
     ExitEndpoint::HandleHookedDNSMessage(
         dns::Message &&msg, std::function< void(dns::Message) > reply)
     {
-     
       if(msg.questions[0].qtype == dns::qTypePTR)
       {
         huint32_t ip;
@@ -551,7 +550,7 @@ namespace llarp
         }
         else if(m_IfAddr.FromString(host_str))
         {
-          m_UseV6 = true;
+          m_UseV6                 = true;
           m_OurRange.netmask_bits = netmask_ipv6_bits(m_Tun.netmask);
         }
         else

llarp/handlers/tun.cpp

@@ -718,6 +718,12 @@ namespace llarp
             m_Exit->QueueUpstreamTraffic(std::move(pkt),
                                          llarp::routing::ExitPadSize);
           }
+          else if(m_Exit && pkt.IsV6())
+          {
+            pkt.UpdateV6Address({0}, pkt.dstv6());
+            m_Exit->QueueUpstreamTraffic(std::move(pkt),
+                                         llarp::routing::ExitPadSize);
+          }
           else
           {
             llarp::LogWarn(Name(), " has no endpoint for ", dst);