70 lines
1.4 KiB
Go
70 lines
1.4 KiB
Go
package main
|
|
|
|
import (
|
|
"io"
|
|
"log"
|
|
"net"
|
|
"os"
|
|
"time"
|
|
|
|
"git.tcp.direct/kayos/go-socks5"
|
|
"git.tcp.direct/kayos/go-socks5/ccsocks5"
|
|
)
|
|
|
|
func handleErr(err error) {
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
}
|
|
|
|
func main() {
|
|
// Create a local listener
|
|
l, err := net.Listen("tcp", "127.0.0.1:0")
|
|
handleErr(err)
|
|
|
|
go func() {
|
|
conn, err := l.Accept()
|
|
handleErr(err)
|
|
defer conn.Close()
|
|
for {
|
|
buf := make([]byte, 4)
|
|
_, err = io.ReadAtLeast(conn, buf, 4)
|
|
handleErr(err)
|
|
log.Printf("server: %+v", string(buf))
|
|
conn.Write([]byte("pong")) // nolint: errcheck
|
|
}
|
|
|
|
}()
|
|
lAddr := l.Addr().(*net.TCPAddr)
|
|
|
|
go func() {
|
|
time.Sleep(time.Second * 1)
|
|
client := ccsocks5.NewClient("127.0.0.1:10808")
|
|
con, err := client.Dial("tcp", lAddr.String())
|
|
handleErr(err)
|
|
|
|
for {
|
|
con.Write([]byte("ping")) // nolint: errcheck
|
|
out := make([]byte, 4)
|
|
con.SetDeadline(time.Now().Add(time.Second)) // nolint: errcheck
|
|
_, err = io.ReadFull(con, out)
|
|
con.SetDeadline(time.Time{}) // nolint: errcheck
|
|
if err != nil {
|
|
log.Printf("client: %+v", err)
|
|
} else {
|
|
log.Printf("client: %+v", string(out))
|
|
}
|
|
time.Sleep(time.Second * 2)
|
|
}
|
|
|
|
}()
|
|
|
|
// Create a SOCKS5 server
|
|
server := socks5.NewServer(socks5.WithLogger(socks5.NewLogger(log.New(os.Stdout, "socks5: ", log.LstdFlags))))
|
|
|
|
// Create SOCKS5 proxy on localhost port 8000
|
|
if err := server.ListenAndServe("tcp", "127.0.0.1:10808"); err != nil {
|
|
panic(err)
|
|
}
|
|
}
|