socks4

README

go-socks4

Socks4 implementation for Go, compatible with net/proxy

Features

• socks4
• socks4a

Usage

package main

import (
	"errors"
	"log"
	"net/url"

	"github.com/Bogdan-D/go-socks4"
	"golang.org/x/net/proxy"
)

func main() {
	addr, _ := url.Parse("socks4://ip:port")

	dialer, err := proxy.FromURL(addr, proxy.Direct)
	conn, err := dialer.Dial("tcp", "google.com:80")
	if err != nil {
		// handle error
		if errors.Is(err, socks4.ErrDialFailed) {
			log.Printf("invalid proxy server %s", addr)
			return
		}
		if errors.Is(err, socks4.ErrConnRejected) {
			log.Printf("google.com:80: %s", err)
			return
		}
	}
	// use opened network connection
	_ = conn
}

Tests

If you know proxy server to connect to tests should be running like this go test -socks4.url=socks4://localhost:8080

Documentation

Index

• Constants
• Variables

Constants

const (
	ErrWrongConnType = typedErrors.String("no support for connections of type")
	ErrDialFailed    = typedErrors.String("socks4 dial")
	ErrConnRejected  = typedErrors.String("connection to remote host was rejected")
	ErrIdentRequired = typedErrors.String("valid ident required")
	ErrIO            = typedErrors.String("i\\o error")
	ErrWrongURL      = typedErrors.String("wrong server url: %s")
	ErrHostUnknown   = typedErrors.String("unable to find IP address of host %s")
	ErrUnknown       = typedErrors.String("unknown socks4 server response %v")
)

Variables

var Ident = "nobody@0.0.0.0"