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试图修正bindToDevice在windows上的问题

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运行一次，发现遇到错误 The requested address is not valid in its context.

参考下面代码试一下
https://github.com/xjasonlyu/tun2socks/pull/192/files
This commit is contained in:
e1732a364fed
2000-01-01 00:00:00 +00:00
parent c576fca5b7
commit efe6d26eec
1 changed files with 13 additions and 1 deletions
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14
netLayer/sockopt_windows.go
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@@ -1,7 +1,9 @@
package netLayer
import (
"encoding/binary"
"net"
"unsafe"
"github.com/e1732a364fed/v2ray_simple/utils"
"go.uber.org/zap"
@@ -39,7 +41,17 @@ func bindToDevice(fd int, device string, is6 bool) {
return
}
} else {
if err := windows.SetsockoptInt(windows.Handle(fd), windows.IPPROTO_IP, IP_UNICAST_IF, iface.Index); err != nil {
//https://github.com/xjasonlyu/tun2socks/pull/192/files
// For IPv4, this parameter must be an interface index in network byte order.
// Ref: https://learn.microsoft.com/en-us/windows/win32/winsock/ipproto-ip-socket-options
var bytes [4]byte
binary.BigEndian.PutUint32(bytes[:], uint32(iface.Index))
index := *(*uint32)(unsafe.Pointer(&bytes[0]))
if err := windows.SetsockoptInt(windows.Handle(fd), windows.IPPROTO_IP, IP_UNICAST_IF, int(index)); err != nil {
if ce := utils.CanLogErr("BindToDevice failed"); ce != nil {
ce.Write(zap.Error(err))
}