udwIpPacket

package
v0.0.0-...-f254aa5 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Jan 15, 2020 License: MIT Imports: 16 Imported by: 4

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var ConnAddrTcpUdpStrNotFitErr = errors.New("ConnAddrTcpUdpStrNotFit")

Functions

func CheckIPPacket 

func CheckIPPacket(buf []byte) (errMsg string)

Types

type ConnAddrTcpUdp 

type ConnAddrTcpUdp struct {
	SrcIp   net.IP
	SrcPort uint16
	DstIp   net.IP
	DstPort uint16
}

func GetConnAddrTcpUdpFromLocalAndRemoteAddr 

func GetConnAddrTcpUdpFromLocalAndRemoteAddr(localAddr net.Addr, remoteAddr net.Addr) (obj ConnAddrTcpUdp, errMsg string)

func GetConnAddrTcpUdpFromNetConn 

func GetConnAddrTcpUdpFromNetConn(conn net.Conn) (obj ConnAddrTcpUdp, errMsg string)

func ParseConnAddrTcpUdpFromString 

func ParseConnAddrTcpUdpFromString(in string) (out ConnAddrTcpUdp, err error)

func (ConnAddrTcpUdp) Clone 

func (addr ConnAddrTcpUdp) Clone() ConnAddrTcpUdp

func (ConnAddrTcpUdp) GetIpv4Array 

func (addr ConnAddrTcpUdp) GetIpv4Array() (outArray [12]byte)

func (ConnAddrTcpUdp) RevertPeer 

func (addr ConnAddrTcpUdp) RevertPeer() ConnAddrTcpUdp

func (ConnAddrTcpUdp) String 

func (addr ConnAddrTcpUdp) String() string

type IpPacket 

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

func NewIpPacketFromBuf 

func NewIpPacketFromBuf(buf []byte) (ipPacket IpPacket, errMsg string)

func NewIpv4PacketFromBuf 

func NewIpv4PacketFromBuf(buf []byte) (ipPacket IpPacket, errMsg string)

func NewUdpIpPacket 

func NewUdpIpPacket(req NewUdpIpPacketRequest) IpPacket

func NotifyBlockIpPacketToClient 

func NotifyBlockIpPacketToClient(ipPacket IpPacket) (outIpPacket IpPacket, ok bool)

func TcpRstAnotherWay 

func TcpRstAnotherWay(ipPacket IpPacket, tmpBuf []byte) IpPacket

func TcpRstSameWay 

func TcpRstSameWay(ipPacket IpPacket, tmpBuf []byte) IpPacket

func (*IpPacket) CheckSumCorrect 

func (packet *IpPacket) CheckSumCorrect() (errMsg string)

func (*IpPacket) Clone 

func (packet *IpPacket) Clone() IpPacket

func (*IpPacket) ConnKeyStringDstSrcToBuf 

func (ipPacket *IpPacket) ConnKeyStringDstSrcToBuf(buf *bytes.Buffer)

func (*IpPacket) ConnKeyStringSrcDstToBuf 

func (ipPacket *IpPacket) ConnKeyStringSrcDstToBuf(buf *bytes.Buffer)

func (*IpPacket) GetConnAddrTcpUdp 

func (packet *IpPacket) GetConnAddrTcpUdp() ConnAddrTcpUdp

func (*IpPacket) GetDnsQueryName 

func (packet *IpPacket) GetDnsQueryName() string

func (*IpPacket) GetDstAddrString 

func (ipPacket *IpPacket) GetDstAddrString() string

func (*IpPacket) GetDstIp 

func (packet *IpPacket) GetDstIp() net.IP

func (*IpPacket) GetDstPort 

func (packet *IpPacket) GetDstPort() uint16

func (*IpPacket) GetDstSrcAddrPeerString 

func (ipPacket *IpPacket) GetDstSrcAddrPeerString() string

func (*IpPacket) GetIPLen 

func (packet *IpPacket) GetIPLen() int

func (*IpPacket) GetIpDscpAndEcn 

func (packet *IpPacket) GetIpDscpAndEcn() byte

func (*IpPacket) GetIpFlagsAndFragmentOffset 

func (packet *IpPacket) GetIpFlagsAndFragmentOffset() uint16

func (*IpPacket) GetIpHeaderChecksum 

func (packet *IpPacket) GetIpHeaderChecksum() uint16

func (*IpPacket) GetIpHeaderLen 

func (packet *IpPacket) GetIpHeaderLen() int

func (*IpPacket) GetIpIdentification 

func (packet *IpPacket) GetIpIdentification() uint16

func (*IpPacket) GetIpOption 

func (packet *IpPacket) GetIpOption() []byte

func (*IpPacket) GetIpProtocol 

func (packet *IpPacket) GetIpProtocol() byte

func (*IpPacket) GetIpTimeToLive 

func (packet *IpPacket) GetIpTimeToLive() byte

func (*IpPacket) GetIpTotalLen 

func (packet *IpPacket) GetIpTotalLen() uint16

func (*IpPacket) GetIpVersion 

func (packet *IpPacket) GetIpVersion() int

func (*IpPacket) GetL3ProtocolString 

func (packet *IpPacket) GetL3ProtocolString() string

func (*IpPacket) GetSrcAddrString 

func (ipPacket *IpPacket) GetSrcAddrString() string

func (*IpPacket) GetSrcDstAddrPeerString 

func (ipPacket *IpPacket) GetSrcDstAddrPeerString() string

func (*IpPacket) GetSrcIp 

func (packet *IpPacket) GetSrcIp() net.IP

func (*IpPacket) GetSrcPort 

func (packet *IpPacket) GetSrcPort() uint16

func (*IpPacket) GetTcpAcknowledgmentNumber 

func (packet *IpPacket) GetTcpAcknowledgmentNumber() uint32

func (*IpPacket) GetTcpBody 

func (packet *IpPacket) GetTcpBody() []byte

func (*IpPacket) GetTcpBodyLen 

func (packet *IpPacket) GetTcpBodyLen() int

func (*IpPacket) GetTcpChecksum 

func (packet *IpPacket) GetTcpChecksum() uint16

func (*IpPacket) GetTcpDataOffset 

func (packet *IpPacket) GetTcpDataOffset() int

func (*IpPacket) GetTcpFlagAck 

func (packet *IpPacket) GetTcpFlagAck() bool

func (*IpPacket) GetTcpFlagCwr 

func (packet *IpPacket) GetTcpFlagCwr() bool

func (*IpPacket) GetTcpFlagEce 

func (packet *IpPacket) GetTcpFlagEce() bool

func (*IpPacket) GetTcpFlagFin 

func (packet *IpPacket) GetTcpFlagFin() bool

func (*IpPacket) GetTcpFlagNs 

func (packet *IpPacket) GetTcpFlagNs() bool

func (*IpPacket) GetTcpFlagPsh 

func (packet *IpPacket) GetTcpFlagPsh() bool

func (*IpPacket) GetTcpFlagRst 

func (packet *IpPacket) GetTcpFlagRst() bool

func (*IpPacket) GetTcpFlagSyn 

func (packet *IpPacket) GetTcpFlagSyn() bool

func (*IpPacket) GetTcpFlagUrg 

func (packet *IpPacket) GetTcpFlagUrg() bool

func (*IpPacket) GetTcpSequenceNumber 

func (packet *IpPacket) GetTcpSequenceNumber() uint32

func (*IpPacket) GetTcpUrgentPointer 

func (packet *IpPacket) GetTcpUrgentPointer() uint16

func (*IpPacket) GetTcpWindowSize 

func (packet *IpPacket) GetTcpWindowSize() uint16

func (*IpPacket) GetUdpBody 

func (packet *IpPacket) GetUdpBody() []byte

func (*IpPacket) HexDump 

func (packet *IpPacket) HexDump() string

func (*IpPacket) ICMPGetCode 

func (packet *IpPacket) ICMPGetCode() uint8

func (*IpPacket) ICMPGetType 

func (packet *IpPacket) ICMPGetType() uint8

func (*IpPacket) Ipv4HasMoreFragments 

func (packet *IpPacket) Ipv4HasMoreFragments() bool

func (*IpPacket) IsDnsRequest 

func (packet *IpPacket) IsDnsRequest() bool

func (*IpPacket) IsDnsResponse 

func (packet *IpPacket) IsDnsResponse() bool

func (*IpPacket) IsICMP 

func (packet *IpPacket) IsICMP() bool

func (*IpPacket) IsIpv4 

func (packet *IpPacket) IsIpv4() bool

func (*IpPacket) IsIpv6 

func (packet *IpPacket) IsIpv6() bool

func (*IpPacket) IsTcp 

func (packet *IpPacket) IsTcp() bool

func (*IpPacket) IsUdp 

func (packet *IpPacket) IsUdp() bool

func (*IpPacket) IsVpnSupport 

func (ipPacket *IpPacket) IsVpnSupport() bool

func (*IpPacket) RecomputeCheckSum 

func (packet *IpPacket) RecomputeCheckSum()

func (*IpPacket) ResetIpPacketFromBuf 

func (packet *IpPacket) ResetIpPacketFromBuf(buf []byte) (err error)

func (*IpPacket) SerializeToBuf 

func (packet *IpPacket) SerializeToBuf() []byte

func (*IpPacket) SetConnAddrTcpUdp 

func (packet *IpPacket) SetConnAddrTcpUdp(c ConnAddrTcpUdp)

func (*IpPacket) SetConnAddrTcpUdp__NoRecomputeCheckSum 

func (packet *IpPacket) SetConnAddrTcpUdp__NoRecomputeCheckSum(c ConnAddrTcpUdp)

func (*IpPacket) SetDstIp 

func (packet *IpPacket) SetDstIp(ip net.IP)

func (*IpPacket) SetDstIp__NoRecomputeCheckSum 

func (packet *IpPacket) SetDstIp__NoRecomputeCheckSum(ip net.IP)

func (*IpPacket) SetDstPort__NoRecomputeChecksum 

func (packet *IpPacket) SetDstPort__NoRecomputeChecksum(port uint16)

func (*IpPacket) SetSrcIp 

func (packet *IpPacket) SetSrcIp(ip net.IP)

func (*IpPacket) SetSrcIp__NoRecomputeCheckSum 

func (packet *IpPacket) SetSrcIp__NoRecomputeCheckSum(ip net.IP)

func (*IpPacket) SetSrcPort__NoRecomputeChecksum 

func (packet *IpPacket) SetSrcPort__NoRecomputeChecksum(port uint16)

func (*IpPacket) SetTcpAcknowledgmentNumber__NoRecomputeChecksum 

func (packet *IpPacket) SetTcpAcknowledgmentNumber__NoRecomputeChecksum(ack uint32)

func (*IpPacket) SetTcpSequenceNumber__NoRecomputeChecksum 

func (packet *IpPacket) SetTcpSequenceNumber__NoRecomputeChecksum(seq uint32)

func (*IpPacket) String 

func (packet *IpPacket) String() string

func (*IpPacket) TcpFixMss 

func (packet *IpPacket) TcpFixMss(mss uint16)

func (*IpPacket) TcpFixMss__NoRecomputeCheckSum 

func (packet *IpPacket) TcpFixMss__NoRecomputeCheckSum(mss uint16) bool

func (*IpPacket) TcpGetMss 

func (packet *IpPacket) TcpGetMss() uint16

func (*IpPacket) TcpGetNextSequenceNumber 

func (packet *IpPacket) TcpGetNextSequenceNumber() uint32

type NewUdpIpPacketRequest 

type NewUdpIpPacketRequest struct {
	SrcIp   net.IP
	SrcPort uint16
	DstIp   net.IP
	DstPort uint16
	Body    []byte
}

type TunEventOnTunProcessor 

type TunEventOnTunProcessor struct {
	SetWriteToTunCallback func(f func(ipPacket IpPacket))

	ReadFromTun func(ipPacket IpPacket)

	Close func()
}

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