wip

net/tstun/wrap.go

@@ -9,6 +9,7 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"log"
 	"net/netip"
 	"os"
 	"reflect"
@@ -1048,6 +1049,8 @@ func (t *Wrapper) filterPacketInboundFromWireGuard(p *packet.Parsed, captHook ca
 
 	if t.PostFilterPacketInboundFromWireGaurd != nil {
 		if res := t.PostFilterPacketInboundFromWireGaurd(p, t); res.IsDrop() {
+			log.Printf("DDDDDDDDDDDDDDDDD %s transportlen=%d flags=%x", p.String(), len(p.Transport()), p.TCPFlags)
+			log.Printf("%s", packet.Hexdump(p.Transport()))
 			return res
 		}
 	}

wgengine/netstack/netstack.go

@@ -184,6 +184,7 @@ func Create(logf logger.Logf, tundev *tstun.Wrapper, e wgengine.Engine, mc *magi
 	if tcpipErr != nil {
 		return nil, fmt.Errorf("could not enable TCP SACK: %v", tcpipErr)
 	}
+	log.Printf("XXXXXXXXXXXXXXXX %d", tstun.DefaultTUNMTU())
 	linkEP := channel.New(512, uint32(tstun.DefaultTUNMTU()), "")
 	if tcpipProblem := ipstack.CreateNIC(nicID, linkEP); tcpipProblem != nil {
 		return nil, fmt.Errorf("could not create netstack NIC: %v", tcpipProblem)