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endpoint: Fix UDP resolved destination

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This commit is contained in:
世界
2026-03-02 11:30:06 +08:00
parent 3de56d344e
commit 1803471e02
4 changed files with 82 additions and 27 deletions
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53
protocol/tailscale/endpoint.go
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@@ -63,6 +63,7 @@ import (
var (
_ adapter.OutboundWithPreferredRoutes = (*Endpoint)(nil)
_ adapter.DirectRouteOutbound = (*Endpoint)(nil)
_ dialer.PacketDialerWithDestination = (*Endpoint)(nil)
)
func init() {
@@ -518,19 +519,7 @@ func (t *Endpoint) DialContext(ctx context.Context, network string, destination
}
}
func (t *Endpoint) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
t.logger.InfoContext(ctx, "outbound packet connection to ", destination)
if destination.IsFqdn() {
destinationAddresses, err := t.dnsRouter.Lookup(ctx, destination.Fqdn, adapter.DNSQueryOptions{})
if err != nil {
return nil, err
}
packetConn, _, err := N.ListenSerial(ctx, t, destination, destinationAddresses)
if err != nil {
return nil, err
}
return packetConn, err
}
func (t *Endpoint) listenPacketWithAddress(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
addr4, addr6 := t.server.TailscaleIPs()
bind := tcpip.FullAddress{
NIC: 1,
@@ -556,6 +545,44 @@ func (t *Endpoint) ListenPacket(ctx context.Context, destination M.Socksaddr) (n
return udpConn, nil
}
func (t *Endpoint) ListenPacketWithDestination(ctx context.Context, destination M.Socksaddr) (net.PacketConn, netip.Addr, error) {
t.logger.InfoContext(ctx, "outbound packet connection to ", destination)
if destination.IsFqdn() {
destinationAddresses, err := t.dnsRouter.Lookup(ctx, destination.Fqdn, adapter.DNSQueryOptions{})
if err != nil {
return nil, netip.Addr{}, err
}
var errors []error
for _, address := range destinationAddresses {
packetConn, packetErr := t.listenPacketWithAddress(ctx, M.SocksaddrFrom(address, destination.Port))
if packetErr == nil {
return packetConn, address, nil
}
errors = append(errors, packetErr)
}
return nil, netip.Addr{}, E.Errors(errors...)
}
packetConn, err := t.listenPacketWithAddress(ctx, destination)
if err != nil {
return nil, netip.Addr{}, err
}
if destination.IsIP() {
return packetConn, destination.Addr, nil
}
return packetConn, netip.Addr{}, nil
}
func (t *Endpoint) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
packetConn, destinationAddress, err := t.ListenPacketWithDestination(ctx, destination)
if err != nil {
return nil, err
}
if destinationAddress.IsValid() && destination != M.SocksaddrFrom(destinationAddress, destination.Port) {
return bufio.NewNATPacketConn(bufio.NewPacketConn(packetConn), M.SocksaddrFrom(destinationAddress, destination.Port), destination), nil
}
return packetConn, nil
}
func (t *Endpoint) PrepareConnection(network string, source M.Socksaddr, destination M.Socksaddr, routeContext tun.DirectRouteContext, timeout time.Duration) (tun.DirectRouteDestination, error) {
tsFilter := t.filter.Load()
if tsFilter != nil {