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server_test.go
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server_test.go
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package socks
import (
"bytes"
"io"
"net"
"testing"
"time"
)
func getConnection(t *testing.T) net.Conn {
srv, err := NewSocks4Server()
if err != nil {
t.Fatalf("Could not start SOCKS server: %v", err)
}
go func() {
srv.ListenAndServe("localhost:1080")
}()
conn, err := net.Dial("tcp", "localhost:1080")
if err != nil {
t.Fatalf("Could not connect to SOCKS server: %v", err)
}
return conn
}
func TestNewSocks4Server_InvalidProtocolVersion(t *testing.T) {
conn := getConnection(t)
// handshake
conn.Write([]byte{5})
// read reply
expected := []byte{
0,
91,
}
out := make([]byte, len(expected))
conn.SetDeadline(time.Now().Add(time.Second))
if _, err := io.ReadAtLeast(conn, out, len(out)); err != nil {
t.Fatalf("Failed to read %v bytes: %v", expected, err)
}
if !bytes.Equal(out, expected) {
t.Fatalf("Expected %v, got: %v", expected, out)
}
}
func TestSocks4_Connect(t *testing.T) {
conn := getConnection(t)
// handshake
conn.Write([]byte{4})
// read reply
expected := []byte{
0,
90,
}
out := make([]byte, len(expected))
conn.SetDeadline(time.Now().Add(time.Second))
if _, err := io.ReadAtLeast(conn, out, len(out)); err != nil {
t.Fatalf("Failed to read %v bytes: %v", expected, err)
}
if !bytes.Equal(out, expected) {
t.Fatalf("Expected %v, got: %v", expected, out)
}
}