Documentation ¶
Index ¶
- Constants
- func BroadcastAddr(network netip.Prefix) netip.Addr
- func Checksum(sum uint32, b []byte) (answer [2]byte)
- func IsIPv4(packet []byte) bool
- func SetIPv4(packet []byte)
- func Sum(b []byte) uint32
- type ICMPPacket
- type ICMPType
- type IPProtocol
- type IPv4Packet
- func (p IPv4Packet) Checksum() uint16
- func (p IPv4Packet) DataLen() uint16
- func (p IPv4Packet) DestinationIP() netip.Addr
- func (p IPv4Packet) Flags() byte
- func (p IPv4Packet) FragmentOffset() uint16
- func (p IPv4Packet) HeaderLen() uint16
- func (p IPv4Packet) Identification() uint16
- func (p IPv4Packet) Payload() []byte
- func (p IPv4Packet) Protocol() IPProtocol
- func (p IPv4Packet) PseudoSum() uint32
- func (p IPv4Packet) ResetChecksum()
- func (p IPv4Packet) SetChecksum(sum [2]byte)
- func (p IPv4Packet) SetDestinationIP(ip netip.Addr)
- func (p IPv4Packet) SetFlags(flags byte)
- func (p IPv4Packet) SetFragmentOffset(offset uint32)
- func (p IPv4Packet) SetHeaderLen(length uint16)
- func (p IPv4Packet) SetIdentification(id uint16)
- func (p IPv4Packet) SetProtocol(protocol IPProtocol)
- func (p IPv4Packet) SetSourceIP(ip netip.Addr)
- func (p IPv4Packet) SetTimeToLive(ttl byte)
- func (p IPv4Packet) SetTotalLength(length uint16)
- func (p IPv4Packet) SetTypeOfService(tos byte)
- func (p IPv4Packet) SourceIP() netip.Addr
- func (p IPv4Packet) TimeToLive() byte
- func (p IPv4Packet) TotalLen() uint16
- func (p IPv4Packet) TypeOfService() byte
- func (p IPv4Packet) Valid() bool
- type TCPPacket
- func (p TCPPacket) Checksum() uint16
- func (p TCPPacket) DestinationPort() uint16
- func (p TCPPacket) Flags() uint16
- func (p TCPPacket) ResetChecksum(psum uint32)
- func (p TCPPacket) SetChecksum(sum [2]byte)
- func (p TCPPacket) SetDestinationPort(port uint16)
- func (p TCPPacket) SetSourcePort(port uint16)
- func (p TCPPacket) SourcePort() uint16
- func (p TCPPacket) Valid() bool
- type UDPPacket
- func (p UDPPacket) Checksum() uint16
- func (p UDPPacket) DestinationPort() uint16
- func (p UDPPacket) Length() uint16
- func (p UDPPacket) Payload() []byte
- func (p UDPPacket) ResetChecksum(psum uint32)
- func (p UDPPacket) SetChecksum(sum [2]byte)
- func (p UDPPacket) SetDestinationPort(port uint16)
- func (p UDPPacket) SetLength(length uint16)
- func (p UDPPacket) SetSourcePort(port uint16)
- func (p UDPPacket) SourcePort() uint16
- func (p UDPPacket) Valid() bool
Constants ¶
View Source
const ( ICMPTypePingRequest byte = 0x8 ICMPTypePingResponse byte = 0x0 )
View Source
const ( ICMP IPProtocol = 0x01 TCP = 0x06 UDP = 0x11 )
IPProtocol type
View Source
const ( FlagDontFragment = 1 << 1 FlagMoreFragment = 1 << 2 )
View Source
const ( TCPFin uint16 = 1 << 0 TCPSyn uint16 = 1 << 1 TCPRst uint16 = 1 << 2 TCPPuh uint16 = 1 << 3 TCPAck uint16 = 1 << 4 TCPUrg uint16 = 1 << 5 TCPEce uint16 = 1 << 6 TCPEwr uint16 = 1 << 7 TCPNs uint16 = 1 << 8 )
View Source
const IPv4HeaderSize = 20
View Source
const TCPHeaderSize = 20
View Source
const UDPHeaderSize = 8
Variables ¶
This section is empty.
Functions ¶
Types ¶
type ICMPPacket ¶
type ICMPPacket []byte
func (ICMPPacket) Checksum ¶
func (p ICMPPacket) Checksum() uint16
func (ICMPPacket) Code ¶
func (p ICMPPacket) Code() byte
func (ICMPPacket) ResetChecksum ¶
func (p ICMPPacket) ResetChecksum()
func (ICMPPacket) SetChecksum ¶
func (p ICMPPacket) SetChecksum(sum [2]byte)
func (ICMPPacket) SetType ¶
func (p ICMPPacket) SetType(v ICMPType)
func (ICMPPacket) Type ¶
func (p ICMPPacket) Type() ICMPType
type IPProtocol ¶
type IPProtocol = byte
type IPv4Packet ¶
type IPv4Packet []byte
func (IPv4Packet) Checksum ¶
func (p IPv4Packet) Checksum() uint16
func (IPv4Packet) DataLen ¶
func (p IPv4Packet) DataLen() uint16
func (IPv4Packet) DestinationIP ¶
func (p IPv4Packet) DestinationIP() netip.Addr
func (IPv4Packet) Flags ¶
func (p IPv4Packet) Flags() byte
func (IPv4Packet) FragmentOffset ¶
func (p IPv4Packet) FragmentOffset() uint16
func (IPv4Packet) HeaderLen ¶
func (p IPv4Packet) HeaderLen() uint16
func (IPv4Packet) Identification ¶
func (p IPv4Packet) Identification() uint16
func (IPv4Packet) Payload ¶
func (p IPv4Packet) Payload() []byte
func (IPv4Packet) Protocol ¶
func (p IPv4Packet) Protocol() IPProtocol
func (IPv4Packet) ResetChecksum ¶
func (p IPv4Packet) ResetChecksum()
func (IPv4Packet) SetChecksum ¶
func (p IPv4Packet) SetChecksum(sum [2]byte)
func (IPv4Packet) SetDestinationIP ¶
func (p IPv4Packet) SetDestinationIP(ip netip.Addr)
func (IPv4Packet) SetFlags ¶
func (p IPv4Packet) SetFlags(flags byte)
func (IPv4Packet) SetFragmentOffset ¶
func (p IPv4Packet) SetFragmentOffset(offset uint32)
func (IPv4Packet) SetHeaderLen ¶
func (p IPv4Packet) SetHeaderLen(length uint16)
func (IPv4Packet) SetIdentification ¶
func (p IPv4Packet) SetIdentification(id uint16)
func (IPv4Packet) SetProtocol ¶
func (p IPv4Packet) SetProtocol(protocol IPProtocol)
func (IPv4Packet) SetSourceIP ¶
func (p IPv4Packet) SetSourceIP(ip netip.Addr)
func (IPv4Packet) SetTimeToLive ¶
func (p IPv4Packet) SetTimeToLive(ttl byte)
func (IPv4Packet) SetTotalLength ¶
func (p IPv4Packet) SetTotalLength(length uint16)
func (IPv4Packet) SetTypeOfService ¶
func (p IPv4Packet) SetTypeOfService(tos byte)
func (IPv4Packet) SourceIP ¶
func (p IPv4Packet) SourceIP() netip.Addr
func (IPv4Packet) TimeToLive ¶
func (p IPv4Packet) TimeToLive() byte
func (IPv4Packet) TotalLen ¶
func (p IPv4Packet) TotalLen() uint16
func (IPv4Packet) TypeOfService ¶
func (p IPv4Packet) TypeOfService() byte
func (IPv4Packet) Valid ¶
func (p IPv4Packet) Valid() bool
type TCPPacket ¶
type TCPPacket []byte
func (TCPPacket) DestinationPort ¶
func (TCPPacket) ResetChecksum ¶
func (TCPPacket) SetChecksum ¶
func (TCPPacket) SetDestinationPort ¶
func (TCPPacket) SetSourcePort ¶
func (TCPPacket) SourcePort ¶
type UDPPacket ¶
type UDPPacket []byte
func (UDPPacket) DestinationPort ¶
func (UDPPacket) ResetChecksum ¶
func (UDPPacket) SetChecksum ¶
func (UDPPacket) SetDestinationPort ¶
func (UDPPacket) SetSourcePort ¶
func (UDPPacket) SourcePort ¶
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