mirror of https://github.com/Dreamacro/clash.git
41 lines
956 B
Go
41 lines
956 B
Go
package inbound
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import (
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"net"
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"net/netip"
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C "github.com/Dreamacro/clash/constant"
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"github.com/Dreamacro/clash/transport/socks5"
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)
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// PacketAdapter is a UDP Packet adapter for socks/redir/tun
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type PacketAdapter struct {
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C.UDPPacket
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metadata *C.Metadata
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}
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// Metadata returns destination metadata
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func (s *PacketAdapter) Metadata() *C.Metadata {
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return s.metadata
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}
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// NewPacket is PacketAdapter generator
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func NewPacket(target socks5.Addr, originTarget net.Addr, packet C.UDPPacket, source C.Type) *PacketAdapter {
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metadata := parseSocksAddr(target)
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metadata.NetWork = C.UDP
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metadata.Type = source
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if ip, port, err := parseAddr(packet.LocalAddr().String()); err == nil {
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metadata.SrcIP = ip
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metadata.SrcPort = port
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}
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if originTarget != nil {
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if addrPort, err := netip.ParseAddrPort(originTarget.String()); err == nil {
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metadata.OriginDst = addrPort
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}
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}
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return &PacketAdapter{
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UDPPacket: packet,
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metadata: metadata,
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}
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}
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