frp/vendor/github.com/armon/go-socks5/socks5_test.go

111 lines
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2017-11-01 16:21:57 +08:00
package socks5
import (
"bytes"
"encoding/binary"
"io"
"log"
"net"
"os"
"testing"
"time"
)
func TestSOCKS5_Connect(t *testing.T) {
// Create a local listener
l, err := net.Listen("tcp", "127.0.0.1:0")
if err != nil {
t.Fatalf("err: %v", err)
}
go func() {
conn, err := l.Accept()
if err != nil {
t.Fatalf("err: %v", err)
}
defer conn.Close()
buf := make([]byte, 4)
if _, err := io.ReadAtLeast(conn, buf, 4); err != nil {
t.Fatalf("err: %v", err)
}
if !bytes.Equal(buf, []byte("ping")) {
t.Fatalf("bad: %v", buf)
}
conn.Write([]byte("pong"))
}()
lAddr := l.Addr().(*net.TCPAddr)
// Create a socks server
creds := StaticCredentials{
"foo": "bar",
}
cator := UserPassAuthenticator{Credentials: creds}
conf := &Config{
AuthMethods: []Authenticator{cator},
Logger: log.New(os.Stdout, "", log.LstdFlags),
}
serv, err := New(conf)
if err != nil {
t.Fatalf("err: %v", err)
}
// Start listening
go func() {
if err := serv.ListenAndServe("tcp", "127.0.0.1:12365"); err != nil {
t.Fatalf("err: %v", err)
}
}()
time.Sleep(10 * time.Millisecond)
// Get a local conn
conn, err := net.Dial("tcp", "127.0.0.1:12365")
if err != nil {
t.Fatalf("err: %v", err)
}
// Connect, auth and connec to local
req := bytes.NewBuffer(nil)
req.Write([]byte{5})
req.Write([]byte{2, NoAuth, UserPassAuth})
req.Write([]byte{1, 3, 'f', 'o', 'o', 3, 'b', 'a', 'r'})
req.Write([]byte{5, 1, 0, 1, 127, 0, 0, 1})
port := []byte{0, 0}
binary.BigEndian.PutUint16(port, uint16(lAddr.Port))
req.Write(port)
// Send a ping
req.Write([]byte("ping"))
// Send all the bytes
conn.Write(req.Bytes())
// Verify response
expected := []byte{
socks5Version, UserPassAuth,
1, authSuccess,
5,
0,
0,
1,
127, 0, 0, 1,
0, 0,
'p', 'o', 'n', 'g',
}
out := make([]byte, len(expected))
conn.SetDeadline(time.Now().Add(time.Second))
if _, err := io.ReadAtLeast(conn, out, len(out)); err != nil {
t.Fatalf("err: %v", err)
}
// Ignore the port
out[12] = 0
out[13] = 0
if !bytes.Equal(out, expected) {
t.Fatalf("bad: %v", out)
}
}