Update dependencies

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

@@ -0,0 +1,64 @@
+package xt
+
+import (
+	"fmt"
+	"net"
+
+	"github.com/google/nftables/alignedbuff"
+	"golang.org/x/sys/unix"
+)
+
+func bool32(ab *alignedbuff.AlignedBuff) (bool, error) {
+	v, err := ab.Uint32()
+	if err != nil {
+		return false, err
+	}
+	if v != 0 {
+		return true, nil
+	}
+	return false, nil
+}
+
+func putBool32(ab *alignedbuff.AlignedBuff, b bool) {
+	if b {
+		ab.PutUint32(1)
+		return
+	}
+	ab.PutUint32(0)
+}
+
+func iPv46(ab *alignedbuff.AlignedBuff, fam TableFamily) (net.IP, error) {
+	ip, err := ab.BytesAligned32(16)
+	if err != nil {
+		return nil, err
+	}
+	switch fam {
+	case unix.NFPROTO_IPV4:
+		return net.IP(ip[:4]), nil
+	case unix.NFPROTO_IPV6:
+		return net.IP(ip), nil
+	default:
+		return nil, fmt.Errorf("unmarshal IP: unsupported table family %d", fam)
+	}
+}
+
+func iPv46Mask(ab *alignedbuff.AlignedBuff, fam TableFamily) (net.IPMask, error) {
+	v, err := iPv46(ab, fam)
+	return net.IPMask(v), err
+}
+
+func putIPv46(ab *alignedbuff.AlignedBuff, fam TableFamily, ip net.IP) error {
+	switch fam {
+	case unix.NFPROTO_IPV4:
+		ab.PutBytesAligned32(ip.To4(), 16)
+	case unix.NFPROTO_IPV6:
+		ab.PutBytesAligned32(ip.To16(), 16)
+	default:
+		return fmt.Errorf("marshal IP: unsupported table family %d", fam)
+	}
+	return nil
+}
+
+func putIPv46Mask(ab *alignedbuff.AlignedBuff, fam TableFamily, mask net.IPMask) error {
+	return putIPv46(ab, fam, net.IP(mask))
+}