userdata

package

v0.3.0 Latest Latest Go to latest Published: Feb 3, 2025 License: Apache-2.0 Imports: 2 Imported by: 3

Details

Valid go.mod file
Redistributable license
Tagged version
Stable version
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Repository

github.com/google/nftables

Links

Open Source Insights

Documentation ¶

Overview ¶

Package userdata implements a TLV parser/serializer for libnftables-compatible comments

Index ¶

func Append(udata []byte, typ Type, data []byte) []byte
func AppendString(udata []byte, typ Type, str string) []byte
func AppendUint32(udata []byte, typ Type, num uint32) []byte
func Get(udata []byte, styp Type) []byte
func GetString(udata []byte, typ Type) (string, bool)
func GetUint32(udata []byte, typ Type) (uint32, bool)
type Type

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func Append ¶

func Append(udata []byte, typ Type, data []byte) []byte

func AppendString ¶

func AppendString(udata []byte, typ Type, str string) []byte

func AppendUint32 ¶

func AppendUint32(udata []byte, typ Type, num uint32) []byte

func Get ¶

func Get(udata []byte, styp Type) []byte

func GetString ¶

func GetString(udata []byte, typ Type) (string, bool)

func GetUint32 ¶

func GetUint32(udata []byte, typ Type) (uint32, bool)

Types ¶

type Type ¶

type Type byte

const (
	TypeComment Type = iota
	TypeEbtablesPolicy

	TypesCount
)

TLV type values are defined in: https://git.netfilter.org/iptables/tree/iptables/nft.c?id=73611d5582e72367a698faf1b5301c836e981465#n1659

const (
	NFTNL_UDATA_SET_KEYBYTEORDER Type = iota
	NFTNL_UDATA_SET_DATABYTEORDER
	NFTNL_UDATA_SET_MERGE_ELEMENTS
	NFTNL_UDATA_SET_KEY_TYPEOF
	NFTNL_UDATA_SET_DATA_TYPEOF
	NFTNL_UDATA_SET_EXPR
	NFTNL_UDATA_SET_DATA_INTERVAL
	NFTNL_UDATA_SET_COMMENT

	NFTNL_UDATA_SET_MAX
)

TLV type values are defined in: https://git.netfilter.org/libnftnl/tree/include/libnftnl/udata.h#n39

const (
	NFTNL_UDATA_SET_ELEM_COMMENT Type = iota
	NFTNL_UDATA_SET_ELEM_FLAGS
)

Set element userdata types

Source Files ¶

View all Source files

userdata.go

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