56 lines
1.1 KiB
Go
56 lines
1.1 KiB
Go
package main
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import (
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"bytes"
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"log"
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"net"
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"strconv"
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"github.com/ginuerzh/gosocks5"
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ss "github.com/shadowsocks/shadowsocks-go/shadowsocks"
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)
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func main() {
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ssuClient()
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}
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func ssuClient() {
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addr, err := net.ResolveUDPAddr("udp", ":18338")
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if err != nil {
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log.Fatal(err)
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}
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conn, err := net.ListenUDP("udp", nil)
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if err != nil {
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log.Fatal(err)
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}
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cp, err := ss.NewCipher("chacha20", "123456")
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if err != nil {
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log.Fatal(err)
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}
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cc := ss.NewSecurePacketConn(conn, cp, false)
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raddr, _ := net.ResolveTCPAddr("udp", ":8080")
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msg := []byte(`abcdefghijklmnopqrstuvwxyz`)
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dgram := gosocks5.NewUDPDatagram(gosocks5.NewUDPHeader(0, 0, toSocksAddr(raddr)), msg)
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buf := bytes.Buffer{}
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dgram.Write(&buf)
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if _, err := cc.WriteTo(buf.Bytes()[3:], addr); err != nil {
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log.Fatal(err)
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}
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}
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func toSocksAddr(addr net.Addr) *gosocks5.Addr {
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host := "0.0.0.0"
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port := 0
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if addr != nil {
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h, p, _ := net.SplitHostPort(addr.String())
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host = h
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port, _ = strconv.Atoi(p)
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}
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return &gosocks5.Addr{
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Type: gosocks5.AddrIPv4,
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Host: host,
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Port: uint16(port),
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}
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}
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