Update dependencies

2024-11-01 17:33:34 +00:00
parent 033ac0b400
commit 5cdfab398d
3596 changed files with 1033483 additions and 259 deletions
--- a/vendor/github.com/google/nftables/expr/hash.go
+++ b/vendor/github.com/google/nftables/expr/hash.go
@@ -0,0 +1,94 @@
+// Copyright 2018 Google LLC. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package expr
+
+import (
+	"encoding/binary"
+
+	"github.com/google/nftables/binaryutil"
+	"github.com/mdlayher/netlink"
+	"golang.org/x/sys/unix"
+)
+
+type HashType uint32
+
+const (
+	HashTypeJenkins HashType = unix.NFT_HASH_JENKINS
+	HashTypeSym     HashType = unix.NFT_HASH_SYM
+)
+
+// Hash defines type for nftables internal hashing functions
+type Hash struct {
+	SourceRegister uint32
+	DestRegister   uint32
+	Length         uint32
+	Modulus        uint32
+	Seed           uint32
+	Offset         uint32
+	Type           HashType
+}
+
+func (e *Hash) marshal(fam byte) ([]byte, error) {
+	hashAttrs := []netlink.Attribute{
+		{Type: unix.NFTA_HASH_SREG, Data: binaryutil.BigEndian.PutUint32(uint32(e.SourceRegister))},
+		{Type: unix.NFTA_HASH_DREG, Data: binaryutil.BigEndian.PutUint32(uint32(e.DestRegister))},
+		{Type: unix.NFTA_HASH_LEN, Data: binaryutil.BigEndian.PutUint32(uint32(e.Length))},
+		{Type: unix.NFTA_HASH_MODULUS, Data: binaryutil.BigEndian.PutUint32(uint32(e.Modulus))},
+	}
+	if e.Seed != 0 {
+		hashAttrs = append(hashAttrs, netlink.Attribute{
+			Type: unix.NFTA_HASH_SEED, Data: binaryutil.BigEndian.PutUint32(uint32(e.Seed)),
+		})
+	}
+	hashAttrs = append(hashAttrs, []netlink.Attribute{
+		{Type: unix.NFTA_HASH_OFFSET, Data: binaryutil.BigEndian.PutUint32(uint32(e.Offset))},
+		{Type: unix.NFTA_HASH_TYPE, Data: binaryutil.BigEndian.PutUint32(uint32(e.Type))},
+	}...)
+	data, err := netlink.MarshalAttributes(hashAttrs)
+	if err != nil {
+		return nil, err
+	}
+	return netlink.MarshalAttributes([]netlink.Attribute{
+		{Type: unix.NFTA_EXPR_NAME, Data: []byte("hash\x00")},
+		{Type: unix.NLA_F_NESTED | unix.NFTA_EXPR_DATA, Data: data},
+	})
+}
+
+func (e *Hash) unmarshal(fam byte, data []byte) error {
+	ad, err := netlink.NewAttributeDecoder(data)
+	if err != nil {
+		return err
+	}
+	ad.ByteOrder = binary.BigEndian
+	for ad.Next() {
+		switch ad.Type() {
+		case unix.NFTA_HASH_SREG:
+			e.SourceRegister = ad.Uint32()
+		case unix.NFTA_HASH_DREG:
+			e.DestRegister = ad.Uint32()
+		case unix.NFTA_HASH_LEN:
+			e.Length = ad.Uint32()
+		case unix.NFTA_HASH_MODULUS:
+			e.Modulus = ad.Uint32()
+		case unix.NFTA_HASH_SEED:
+			e.Seed = ad.Uint32()
+		case unix.NFTA_HASH_OFFSET:
+			e.Offset = ad.Uint32()
+		case unix.NFTA_HASH_TYPE:
+			e.Type = HashType(ad.Uint32())
+		}
+	}
+	return ad.Err()
+}