File: request_test.go

package info (click to toggle)
golang-github-armon-go-socks5 0.0~git20160902.e753329-1
  • links: PTS, VCS
  • area: main
  • in suites: buster, sid
  • size: 136 kB
  • sloc: makefile: 2
file content (169 lines) | stat: -rw-r--r-- 3,105 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
package socks5

import (
	"bytes"
	"encoding/binary"
	"io"
	"log"
	"net"
	"os"
	"strings"
	"testing"
)

type MockConn struct {
	buf bytes.Buffer
}

func (m *MockConn) Write(b []byte) (int, error) {
	return m.buf.Write(b)
}

func (m *MockConn) RemoteAddr() net.Addr {
	return &net.TCPAddr{IP: []byte{127, 0, 0, 1}, Port: 65432}
}

func TestRequest_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)

	// Make server
	s := &Server{config: &Config{
		Rules:    PermitAll(),
		Resolver: DNSResolver{},
		Logger:   log.New(os.Stdout, "", log.LstdFlags),
	}}

	// Create the connect request
	buf := bytes.NewBuffer(nil)
	buf.Write([]byte{5, 1, 0, 1, 127, 0, 0, 1})

	port := []byte{0, 0}
	binary.BigEndian.PutUint16(port, uint16(lAddr.Port))
	buf.Write(port)

	// Send a ping
	buf.Write([]byte("ping"))

	// Handle the request
	resp := &MockConn{}
	req, err := NewRequest(buf)
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	if err := s.handleRequest(req, resp); err != nil {
		t.Fatalf("err: %v", err)
	}

	// Verify response
	out := resp.buf.Bytes()
	expected := []byte{
		5,
		0,
		0,
		1,
		127, 0, 0, 1,
		0, 0,
		'p', 'o', 'n', 'g',
	}

	// Ignore the port for both
	out[8] = 0
	out[9] = 0

	if !bytes.Equal(out, expected) {
		t.Fatalf("bad: %v %v", out, expected)
	}
}

func TestRequest_Connect_RuleFail(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)

	// Make server
	s := &Server{config: &Config{
		Rules:    PermitNone(),
		Resolver: DNSResolver{},
		Logger:   log.New(os.Stdout, "", log.LstdFlags),
	}}

	// Create the connect request
	buf := bytes.NewBuffer(nil)
	buf.Write([]byte{5, 1, 0, 1, 127, 0, 0, 1})

	port := []byte{0, 0}
	binary.BigEndian.PutUint16(port, uint16(lAddr.Port))
	buf.Write(port)

	// Send a ping
	buf.Write([]byte("ping"))

	// Handle the request
	resp := &MockConn{}
	req, err := NewRequest(buf)
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	if err := s.handleRequest(req, resp); !strings.Contains(err.Error(), "blocked by rules") {
		t.Fatalf("err: %v", err)
	}

	// Verify response
	out := resp.buf.Bytes()
	expected := []byte{
		5,
		2,
		0,
		1,
		0, 0, 0, 0,
		0, 0,
	}

	if !bytes.Equal(out, expected) {
		t.Fatalf("bad: %v %v", out, expected)
	}
}