From 9a7e4a6c83b8391a0e5678ec5811f949c528fa84 Mon Sep 17 00:00:00 2001
From: wxdao <waxiadao@gmail.com>
Date: Mon, 13 Mar 2017 13:06:08 +0800
Subject: [PATCH] interface_darwin.go code cleanup & remove OS X support from
 the roadmap since it now works properly on OS X

---
 README.md                   |  2 +-
 network/interface_darwin.go | 49 +------------------------------------
 2 files changed, 2 insertions(+), 49 deletions(-)

diff --git a/README.md b/README.md
index 62fd603..aca4cf7 100644
--- a/README.md
+++ b/README.md
@@ -37,7 +37,7 @@ Full video can be found at https://www.youtube.com/watch?v=sW5ZIcfX7w8
 ## Roadmap
 
 1. Better encryption
-2. Windows/OSx support
+2. Windows support
 3. IPv6
 4. Much more
 5. IP Load Balancing
diff --git a/network/interface_darwin.go b/network/interface_darwin.go
index 5e35fb6..40876c4 100644
--- a/network/interface_darwin.go
+++ b/network/interface_darwin.go
@@ -8,7 +8,6 @@ import (
 	"net"
 	"os/exec"
 	"strconv"
-	"strings"
 	"syscall"
 )
 
@@ -77,28 +76,7 @@ func (a *UTUNAccess) Read(data []byte) (n int, err error) {
 	return
 }
 
-const (
-	cIFF_TUN   = 0x0001
-	cIFF_TAP   = 0x0002
-	cIFF_NO_PI = 0x1000
-)
-
-type ifReq struct {
-	Name  [0x10]byte
-	Flags uint16
-	pad   [0x28 - 0x10 - 2]byte
-}
-
 func newTAP(ifName string) (ifce *Interface, err error) {
-	//	file, err := os.OpenFile("/dev/net/tun", os.O_RDWR, 0)
-	//	if err != nil {
-	//		return nil, err
-	//	}
-	//	name, err := createInterface(file.Fd(), ifName, cIFF_TAP|cIFF_NO_PI)
-	//	if err != nil {
-	//		return nil, err
-	//	}
-	//	ifce = &Interface{isTAP: true, file: file, name: name}
 	err = errors.New("unsupported")
 	return
 }
@@ -111,24 +89,8 @@ func newTUN(ifName string) (ifce *Interface, err error) {
 	return ifce, nil
 }
 
-func createInterface(fd uintptr, ifName string, flags uint16) (createdIFName string, err error) {
-	var req ifReq
-	req.Flags = flags
-	copy(req.Name[:], ifName)
-	createdIFName = strings.Trim(string(req.Name[:]), "\x00")
-	return
-}
-
 func setPersistent(fd uintptr, persistent bool) error {
-	//	var val uintptr = 0
-	//	if persistent {
-	//		val = 1
-	//	}
-	//	_, _, errno := syscall.Syscall(syscall.SYS_IOCTL, fd, uintptr(syscall.TUNSETPERSIST), val)
-	//	if errno != 0 {
-	//		return errno
-	//	}
-	return nil
+	return errors.New("unsupported")
 }
 
 func interfaceOpen(ifType, ifName string) (*Interface, error) {
@@ -146,15 +108,6 @@ func interfaceOpen(ifType, ifName string) (*Interface, error) {
 		ifce.name = fmt.Sprintf("utun%d", i)
 		ifce.file = &UTUNAccess{fd: int(fd)}
 		break
-
-		//ifPath := fmt.Sprintf("/dev/%s%d", ifType, i)
-		//fmt.Println(ifPath)
-		//ifce.file, err = os.OpenFile(ifPath, os.O_RDWR, 0)
-		//if err != nil {
-		//	continue
-		//}
-		//ifce.name = fmt.Sprintf("%s%d", ifType, i)
-		//break
 	}
 	return ifce, err
 }