From 735e44cc44efcc6acd3f59b60a9e5c0e895ef2a1 Mon Sep 17 00:00:00 2001
From: Dax Raad <d@ironbay.co>
Date: Fri, 18 Oct 2024 15:14:28 -0400
Subject: [PATCH] tunnel: remove tun2socks dependency code

---
 pkg/global/tun2socks.go | 90 -----------------------------------------
 1 file changed, 90 deletions(-)
 delete mode 100644 pkg/global/tun2socks.go

diff --git a/pkg/global/tun2socks.go b/pkg/global/tun2socks.go
deleted file mode 100644
index 3a010489c..000000000
--- a/pkg/global/tun2socks.go
+++ /dev/null
@@ -1,90 +0,0 @@
-package global
-
-import (
-	"archive/zip"
-	"bytes"
-	"fmt"
-	"io"
-	"log/slog"
-	"net/http"
-	"os"
-	"path/filepath"
-	"runtime"
-)
-
-const TUN2SOCKS_VERSION = "2.5.2"
-
-func EnsureTun2Socks() error {
-	binPath := filepath.Join(BinPath(), "tun2socks")
-	if _, err := os.Stat(binPath); err == nil {
-		return nil
-	}
-	var osArch string
-	switch runtime.GOOS {
-	case "darwin":
-		osArch = "darwin"
-	case "linux":
-		osArch = "linux"
-	case "windows":
-		osArch = "windows"
-	default:
-		return fmt.Errorf("unsupported operating system")
-	}
-	switch runtime.GOARCH {
-	case "amd64":
-		osArch += "-amd64"
-	case "arm64":
-		osArch += "-arm64"
-	default:
-		return fmt.Errorf("unsupported architecture")
-	}
-
-	url := fmt.Sprintf("https://github.com/xjasonlyu/tun2socks/releases/download/v%v/tun2socks-%s.zip", TUN2SOCKS_VERSION, osArch)
-	slog.Info("tun2socks downloading", "url", url)
-
-	resp, err := http.Get(url)
-	if err != nil {
-		return err
-	}
-	defer resp.Body.Close()
-	if resp.StatusCode != http.StatusOK {
-		return fmt.Errorf("failed to download tun2socks: HTTP status %d", resp.StatusCode)
-	}
-	bodyBytes, err := io.ReadAll(resp.Body)
-	if err != nil {
-		return err
-	}
-	readerAt := bytes.NewReader(bodyBytes)
-	zipReader, err := zip.NewReader(readerAt, readerAt.Size())
-	if err != nil {
-		return err
-	}
-	f, err := zipReader.File[0].Open()
-	if err != nil {
-		return err
-	}
-	defer f.Close()
-
-	tmpFile := filepath.Join(BinPath(), "sst-tun2socks-download")
-	outFile, err := os.Create(tmpFile)
-	if err != nil {
-		return err
-	}
-	defer outFile.Close()
-
-	_, err = io.Copy(outFile, f)
-	if err != nil {
-		return err
-	}
-	outFile.Close()
-
-	err = os.Rename(tmpFile, binPath)
-	if err != nil {
-		return err
-	}
-	err = os.Chmod(binPath, 0755)
-	if err != nil {
-		return err
-	}
-	return nil
-}