Fix close platform tun

2023-03-13 19:47:00 +08:00
parent d824390167
commit c77681ea17
3 changed files with 8 additions and 4 deletions
--- a/experimental/libbox/service.go
+++ b/experimental/libbox/service.go
@@ -75,7 +75,11 @@ func (w *platformInterfaceWrapper) OpenTun(options tun.Options, platformOptions
 	if err != nil {
 		return nil, err
 	}
-	options.FileDescriptor = int(tunFd)
+	dupFd, err := syscall.Dup(int(tunFd))
+	if err != nil {
+		return nil, E.Cause(err, "dup tun file descriptor")
+	}
+	options.FileDescriptor = dupFd
 	return tun.New(options)
 }