Update dependencies

vendor/github.com/google/nftables/xt/target_dnat.go

@@ -0,0 +1,106 @@
+package xt
+
+import (
+	"net"
+
+	"github.com/google/nftables/alignedbuff"
+)
+
+type NatRangeFlags uint
+
+// See: https://elixir.bootlin.com/linux/v5.17.7/source/include/uapi/linux/netfilter/nf_nat.h#L8
+const (
+	NatRangeMapIPs NatRangeFlags = (1 << iota)
+	NatRangeProtoSpecified
+	NatRangeProtoRandom
+	NatRangePersistent
+	NatRangeProtoRandomFully
+	NatRangeProtoOffset
+	NatRangeNetmap
+
+	NatRangeMask NatRangeFlags = (1 << iota) - 1
+
+	NatRangeProtoRandomAll = NatRangeProtoRandom | NatRangeProtoRandomFully
+)
+
+// see: https://elixir.bootlin.com/linux/v5.17.7/source/include/uapi/linux/netfilter/nf_nat.h#L38
+type NatRange struct {
+	Flags   uint   // sic! platform/arch/compiler-dependent uint size
+	MinIP   net.IP // always taking up space for an IPv6 address
+	MaxIP   net.IP // dito
+	MinPort uint16
+	MaxPort uint16
+}
+
+// see: https://elixir.bootlin.com/linux/v5.17.7/source/include/uapi/linux/netfilter/nf_nat.h#L46
+type NatRange2 struct {
+	NatRange
+	BasePort uint16
+}
+
+func (x *NatRange) marshal(fam TableFamily, rev uint32) ([]byte, error) {
+	ab := alignedbuff.New()
+	if err := x.marshalAB(fam, rev, &ab); err != nil {
+		return nil, err
+	}
+	return ab.Data(), nil
+}
+
+func (x *NatRange) marshalAB(fam TableFamily, rev uint32, ab *alignedbuff.AlignedBuff) error {
+	ab.PutUint(x.Flags)
+	if err := putIPv46(ab, fam, x.MinIP); err != nil {
+		return err
+	}
+	if err := putIPv46(ab, fam, x.MaxIP); err != nil {
+		return err
+	}
+	ab.PutUint16BE(x.MinPort)
+	ab.PutUint16BE(x.MaxPort)
+	return nil
+}
+
+func (x *NatRange) unmarshal(fam TableFamily, rev uint32, data []byte) error {
+	ab := alignedbuff.NewWithData(data)
+	return x.unmarshalAB(fam, rev, &ab)
+}
+
+func (x *NatRange) unmarshalAB(fam TableFamily, rev uint32, ab *alignedbuff.AlignedBuff) error {
+	var err error
+	if x.Flags, err = ab.Uint(); err != nil {
+		return err
+	}
+	if x.MinIP, err = iPv46(ab, fam); err != nil {
+		return err
+	}
+	if x.MaxIP, err = iPv46(ab, fam); err != nil {
+		return err
+	}
+	if x.MinPort, err = ab.Uint16BE(); err != nil {
+		return err
+	}
+	if x.MaxPort, err = ab.Uint16BE(); err != nil {
+		return err
+	}
+	return nil
+}
+
+func (x *NatRange2) marshal(fam TableFamily, rev uint32) ([]byte, error) {
+	ab := alignedbuff.New()
+	if err := x.NatRange.marshalAB(fam, rev, &ab); err != nil {
+		return nil, err
+	}
+	ab.PutUint16BE(x.BasePort)
+	return ab.Data(), nil
+}
+
+func (x *NatRange2) unmarshal(fam TableFamily, rev uint32, data []byte) error {
+	ab := alignedbuff.NewWithData(data)
+	var err error
+	if err = x.NatRange.unmarshalAB(fam, rev, &ab); err != nil {
+		return err
+	}
+	if x.BasePort, err = ab.Uint16BE(); err != nil {
+		return err
+	}
+	return nil
+}