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Fix Tailscale 4via6 subnet routing

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This commit is contained in:
世界
2026-07-22 14:49:44 +08:00
parent 3c4a5a6ed3
commit 9d7e9b9562
1 changed files with 27 additions and 16 deletions
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43
protocol/tailscale/endpoint.go
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@@ -706,12 +706,17 @@ func (t *Endpoint) NewConnectionEx(ctx context.Context, conn net.Conn, source M.
metadata.Inbound = t.Tag() metadata.Inbound = t.Tag()
metadata.InboundType = t.Type() metadata.InboundType = t.Type()
metadata.Source = source metadata.Source = source
addr4, addr6 := t.server.TailscaleIPs() destinationAddress := tsaddr.UnmapVia(destination.Addr)
switch destination.Addr { if destinationAddress != destination.Addr {
case addr4: destination.Addr = destinationAddress
destination.Addr = netip.AddrFrom4([4]uint8{127, 0, 0, 1}) } else {
case addr6: addr4, addr6 := t.server.TailscaleIPs()
destination.Addr = netip.IPv6Loopback() switch destination.Addr {
case addr4:
destination.Addr = netip.AddrFrom4([4]uint8{127, 0, 0, 1})
case addr6:
destination.Addr = netip.IPv6Loopback()
}
} }
metadata.Destination = destination metadata.Destination = destination
t.logger.InfoContext(ctx, "inbound connection from ", source) t.logger.InfoContext(ctx, "inbound connection from ", source)
@@ -724,16 +729,22 @@ func (t *Endpoint) NewPacketConnectionEx(ctx context.Context, conn N.PacketConn,
metadata.Inbound = t.Tag() metadata.Inbound = t.Tag()
metadata.InboundType = t.Type() metadata.InboundType = t.Type()
metadata.Source = source metadata.Source = source
addr4, addr6 := t.server.TailscaleIPs() originDestination := destination
switch destination.Addr { destinationAddress := tsaddr.UnmapVia(destination.Addr)
case addr4: if destinationAddress != destination.Addr {
metadata.OriginDestination = destination destination.Addr = destinationAddress
destination.Addr = netip.AddrFrom4([4]uint8{127, 0, 0, 1}) } else {
conn = bufio.NewNATPacketConn(bufio.NewNetPacketConn(conn), metadata.OriginDestination, destination) addr4, addr6 := t.server.TailscaleIPs()
case addr6: switch destination.Addr {
metadata.OriginDestination = destination case addr4:
destination.Addr = netip.IPv6Loopback() destination.Addr = netip.AddrFrom4([4]uint8{127, 0, 0, 1})
conn = bufio.NewNATPacketConn(bufio.NewNetPacketConn(conn), metadata.OriginDestination, destination) case addr6:
destination.Addr = netip.IPv6Loopback()
}
}
if destination != originDestination {
metadata.OriginDestination = originDestination
conn = bufio.NewNATPacketConn(bufio.NewNetPacketConn(conn), originDestination, destination)
} }
metadata.Destination = destination metadata.Destination = destination
t.logger.InfoContext(ctx, "inbound packet connection from ", source) t.logger.InfoContext(ctx, "inbound packet connection from ", source)