+++ /dev/null
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package proxy
-
-import (
- "bytes"
- "fmt"
- "io"
- "net"
- "net/url"
- "os"
- "strconv"
- "strings"
- "sync"
- "testing"
-)
-
-type proxyFromEnvTest struct {
- allProxyEnv string
- noProxyEnv string
- wantTypeOf Dialer
-}
-
-func (t proxyFromEnvTest) String() string {
- var buf bytes.Buffer
- space := func() {
- if buf.Len() > 0 {
- buf.WriteByte(' ')
- }
- }
- if t.allProxyEnv != "" {
- fmt.Fprintf(&buf, "all_proxy=%q", t.allProxyEnv)
- }
- if t.noProxyEnv != "" {
- space()
- fmt.Fprintf(&buf, "no_proxy=%q", t.noProxyEnv)
- }
- return strings.TrimSpace(buf.String())
-}
-
-func TestFromEnvironment(t *testing.T) {
- ResetProxyEnv()
-
- type dummyDialer struct {
- direct
- }
-
- RegisterDialerType("irc", func(_ *url.URL, _ Dialer) (Dialer, error) {
- return dummyDialer{}, nil
- })
-
- proxyFromEnvTests := []proxyFromEnvTest{
- {allProxyEnv: "127.0.0.1:8080", noProxyEnv: "localhost, 127.0.0.1", wantTypeOf: direct{}},
- {allProxyEnv: "ftp://example.com:8000", noProxyEnv: "localhost, 127.0.0.1", wantTypeOf: direct{}},
- {allProxyEnv: "socks5://example.com:8080", noProxyEnv: "localhost, 127.0.0.1", wantTypeOf: &PerHost{}},
- {allProxyEnv: "irc://example.com:8000", wantTypeOf: dummyDialer{}},
- {noProxyEnv: "localhost, 127.0.0.1", wantTypeOf: direct{}},
- {wantTypeOf: direct{}},
- }
-
- for _, tt := range proxyFromEnvTests {
- os.Setenv("ALL_PROXY", tt.allProxyEnv)
- os.Setenv("NO_PROXY", tt.noProxyEnv)
- ResetCachedEnvironment()
-
- d := FromEnvironment()
- if got, want := fmt.Sprintf("%T", d), fmt.Sprintf("%T", tt.wantTypeOf); got != want {
- t.Errorf("%v: got type = %T, want %T", tt, d, tt.wantTypeOf)
- }
- }
-}
-
-func TestFromURL(t *testing.T) {
- endSystem, err := net.Listen("tcp", "127.0.0.1:0")
- if err != nil {
- t.Fatalf("net.Listen failed: %v", err)
- }
- defer endSystem.Close()
- gateway, err := net.Listen("tcp", "127.0.0.1:0")
- if err != nil {
- t.Fatalf("net.Listen failed: %v", err)
- }
- defer gateway.Close()
-
- var wg sync.WaitGroup
- wg.Add(1)
- go socks5Gateway(t, gateway, endSystem, socks5Domain, &wg)
-
- url, err := url.Parse("socks5://user:password@" + gateway.Addr().String())
- if err != nil {
- t.Fatalf("url.Parse failed: %v", err)
- }
- proxy, err := FromURL(url, Direct)
- if err != nil {
- t.Fatalf("FromURL failed: %v", err)
- }
- _, port, err := net.SplitHostPort(endSystem.Addr().String())
- if err != nil {
- t.Fatalf("net.SplitHostPort failed: %v", err)
- }
- if c, err := proxy.Dial("tcp", "localhost:"+port); err != nil {
- t.Fatalf("FromURL.Dial failed: %v", err)
- } else {
- c.Close()
- }
-
- wg.Wait()
-}
-
-func TestSOCKS5(t *testing.T) {
- endSystem, err := net.Listen("tcp", "127.0.0.1:0")
- if err != nil {
- t.Fatalf("net.Listen failed: %v", err)
- }
- defer endSystem.Close()
- gateway, err := net.Listen("tcp", "127.0.0.1:0")
- if err != nil {
- t.Fatalf("net.Listen failed: %v", err)
- }
- defer gateway.Close()
-
- var wg sync.WaitGroup
- wg.Add(1)
- go socks5Gateway(t, gateway, endSystem, socks5IP4, &wg)
-
- proxy, err := SOCKS5("tcp", gateway.Addr().String(), nil, Direct)
- if err != nil {
- t.Fatalf("SOCKS5 failed: %v", err)
- }
- if c, err := proxy.Dial("tcp", endSystem.Addr().String()); err != nil {
- t.Fatalf("SOCKS5.Dial failed: %v", err)
- } else {
- c.Close()
- }
-
- wg.Wait()
-}
-
-func socks5Gateway(t *testing.T, gateway, endSystem net.Listener, typ byte, wg *sync.WaitGroup) {
- defer wg.Done()
-
- c, err := gateway.Accept()
- if err != nil {
- t.Errorf("net.Listener.Accept failed: %v", err)
- return
- }
- defer c.Close()
-
- b := make([]byte, 32)
- var n int
- if typ == socks5Domain {
- n = 4
- } else {
- n = 3
- }
- if _, err := io.ReadFull(c, b[:n]); err != nil {
- t.Errorf("io.ReadFull failed: %v", err)
- return
- }
- if _, err := c.Write([]byte{socks5Version, socks5AuthNone}); err != nil {
- t.Errorf("net.Conn.Write failed: %v", err)
- return
- }
- if typ == socks5Domain {
- n = 16
- } else {
- n = 10
- }
- if _, err := io.ReadFull(c, b[:n]); err != nil {
- t.Errorf("io.ReadFull failed: %v", err)
- return
- }
- if b[0] != socks5Version || b[1] != socks5Connect || b[2] != 0x00 || b[3] != typ {
- t.Errorf("got an unexpected packet: %#02x %#02x %#02x %#02x", b[0], b[1], b[2], b[3])
- return
- }
- if typ == socks5Domain {
- copy(b[:5], []byte{socks5Version, 0x00, 0x00, socks5Domain, 9})
- b = append(b, []byte("localhost")...)
- } else {
- copy(b[:4], []byte{socks5Version, 0x00, 0x00, socks5IP4})
- }
- host, port, err := net.SplitHostPort(endSystem.Addr().String())
- if err != nil {
- t.Errorf("net.SplitHostPort failed: %v", err)
- return
- }
- b = append(b, []byte(net.ParseIP(host).To4())...)
- p, err := strconv.Atoi(port)
- if err != nil {
- t.Errorf("strconv.Atoi failed: %v", err)
- return
- }
- b = append(b, []byte{byte(p >> 8), byte(p)}...)
- if _, err := c.Write(b); err != nil {
- t.Errorf("net.Conn.Write failed: %v", err)
- return
- }
-}
-
-func ResetProxyEnv() {
- for _, env := range []*envOnce{allProxyEnv, noProxyEnv} {
- for _, v := range env.names {
- os.Setenv(v, "")
- }
- }
- ResetCachedEnvironment()
-}
-
-func ResetCachedEnvironment() {
- allProxyEnv.reset()
- noProxyEnv.reset()
-}
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