github.com/metacubex/sing-tun@v0.2.7-0.20240512075008-89e7c6208eec/internal/winsys/helper.go (about)

     1  //go:build windows
     2  
     3  package winsys
     4  
     5  import (
     6  	"os"
     7  	"unsafe"
     8  
     9  	"github.com/sagernet/sing/common"
    10  
    11  	"golang.org/x/sys/windows"
    12  )
    13  
    14  func CreateDisplayData(name, description string) FWPM_DISPLAY_DATA0 {
    15  	namePtr, err := windows.UTF16PtrFromString(name)
    16  	common.Must(err)
    17  
    18  	descriptionPtr, err := windows.UTF16PtrFromString(description)
    19  	common.Must(err)
    20  
    21  	return FWPM_DISPLAY_DATA0{
    22  		Name:        namePtr,
    23  		Description: descriptionPtr,
    24  	}
    25  }
    26  
    27  func GetCurrentProcessAppID() (*FWP_BYTE_BLOB, error) {
    28  	currentFile, err := os.Executable()
    29  	if err != nil {
    30  		return nil, err
    31  	}
    32  
    33  	curFilePtr, err := windows.UTF16PtrFromString(currentFile)
    34  	if err != nil {
    35  		return nil, err
    36  	}
    37  
    38  	windows.GetCurrentProcessId()
    39  
    40  	var appID *FWP_BYTE_BLOB
    41  	err = FwpmGetAppIdFromFileName0(curFilePtr, unsafe.Pointer(&appID))
    42  	if err != nil {
    43  		return nil, err
    44  	}
    45  	return appID, nil
    46  }