ceph-csi/vendor/golang.org/x/net/proxy/socks5.go

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// 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 (
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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
// address with an optional username and password.
// See RFC 1928 and RFC 1929.
func SOCKS5(network, address string, auth *Auth, forward Dialer) (Dialer, error) {
d := socks.NewDialer(network, address)
if forward != nil {
d.ProxyDial = func(_ context.Context, network string, address string) (net.Conn, error) {
return forward.Dial(network, address)
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}
}
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if auth != nil {
up := socks.UsernamePassword{
Username: auth.User,
Password: auth.Password,
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}
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d.AuthMethods = []socks.AuthMethod{
socks.AuthMethodNotRequired,
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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}