tproxy

package

v0.3.1 Latest Latest Go to latest Published: Aug 20, 2023 License: MIT Imports: 16 Imported by: 0

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Valid go.mod file
Redistributable license
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Stable version
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Repository

github.com/Snawoot/dns44

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Documentation ¶

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Index ¶

Constants
func DialUDP(network string, laddr *net.UDPAddr, raddr *net.UDPAddr) (*net.UDPConn, error)
func ReadFromUDP(conn *net.UDPConn, b []byte) (int, *net.UDPAddr, *net.UDPAddr, error)
type Config
type Dialer
type EOFSender
type Mapper
type RawConnContainer
type TCPProxy
- func NewTCPProxy(ctx context.Context, cfg *Config) (*TCPProxy, error)
type UDPProxy
- func NewUDPProxy(ctx context.Context, cfg *Config) (*UDPProxy, error)
- func (proxy *UDPProxy) Close()

Constants ¶

View Source

const (
	IPV6_TRANSPARENT     = 75
	IPV6_RECVORIGDSTADDR = 74
)

View Source

const (
	// UDPConnTrackTimeout is the timeout used for UDP connection tracking
	UDPConnTrackTimeout = 90 * time.Second
	// UDPBufSize is the buffer size for the UDP proxy
	UDPBufSize = 65507
)

View Source

const (
	DefaultDialTimeout = 10 * time.Second
)

Variables ¶

This section is empty.

Functions ¶

func DialUDP ¶

func DialUDP(network string, laddr *net.UDPAddr, raddr *net.UDPAddr) (*net.UDPConn, error)

DialUDP connects to the remote address raddr on the network net, which must be "udp", "udp4", or "udp6". If laddr is not nil, it is used as the local address for the connection.

func ReadFromUDP ¶

func ReadFromUDP(conn *net.UDPConn, b []byte) (int, *net.UDPAddr, *net.UDPAddr, error)

ReadFromUDP reads a UDP packet from c, copying the payload into b. It returns the number of bytes copied into b and the return address that was on the packet.

Out-of-band data is also read in so that the original destination address can be identified and parsed.

Types ¶

type Config ¶

type Config struct {
	ListenAddr  netip.AddrPort
	Mapper      Mapper
	DialTimeout time.Duration
	Dialer      Dialer
}

type Dialer ¶

type Dialer interface {
	DialContext(ctx context.Context, network, address string) (net.Conn, error)
}

type EOFSender ¶

type EOFSender interface {
	CloseWrite() error
}

type Mapper ¶

type Mapper interface {
	ReverseLookup(clientKey string, addr netip.Addr) (domainName string, ok bool, err error)
}

type RawConnContainer ¶

type RawConnContainer interface {
	Raw() net.Conn
}

type TCPProxy ¶

type TCPProxy struct {
	// contains filtered or unexported fields
}

func NewTCPProxy ¶

func NewTCPProxy(ctx context.Context, cfg *Config) (*TCPProxy, error)

type UDPProxy ¶

type UDPProxy struct {
	// contains filtered or unexported fields
}

func NewUDPProxy ¶

func NewUDPProxy(ctx context.Context, cfg *Config) (*UDPProxy, error)

func (*UDPProxy) Close ¶

func (proxy *UDPProxy) Close()

Close stops forwarding the traffic.

Source Files ¶

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