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42 lines
1.1 KiB
42 lines
1.1 KiB
// Copyright 2011 The Go Authors. All rights reserved. |
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// Use of this source code is governed by a BSD-style |
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// license that can be found in the LICENSE file. |
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package proxy |
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import ( |
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"context" |
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"net" |
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"golang.org/x/net/internal/socks" |
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) |
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// SOCKS5 returns a Dialer that makes SOCKSv5 connections to the given |
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// address with an optional username and password. |
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// See RFC 1928 and RFC 1929. |
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func SOCKS5(network, address string, auth *Auth, forward Dialer) (Dialer, error) { |
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d := socks.NewDialer(network, address) |
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if forward != nil { |
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if f, ok := forward.(ContextDialer); ok { |
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d.ProxyDial = func(ctx context.Context, network string, address string) (net.Conn, error) { |
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return f.DialContext(ctx, network, address) |
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} |
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} else { |
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d.ProxyDial = func(ctx context.Context, network string, address string) (net.Conn, error) { |
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return dialContext(ctx, forward, network, address) |
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} |
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} |
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} |
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if auth != nil { |
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up := socks.UsernamePassword{ |
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Username: auth.User, |
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Password: auth.Password, |
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} |
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d.AuthMethods = []socks.AuthMethod{ |
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socks.AuthMethodNotRequired, |
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socks.AuthMethodUsernamePassword, |
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} |
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d.Authenticate = up.Authenticate |
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} |
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return d, nil |
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}
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