mirror of
https://github.com/octoleo/restic.git
synced 2024-11-18 19:15:14 +00:00
99 lines
2.3 KiB
Go
99 lines
2.3 KiB
Go
// +build windows
|
|
// +build !go1.4
|
|
|
|
package mousetrap
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
"syscall"
|
|
"unsafe"
|
|
)
|
|
|
|
const (
|
|
// defined by the Win32 API
|
|
th32cs_snapprocess uintptr = 0x2
|
|
)
|
|
|
|
var (
|
|
kernel = syscall.MustLoadDLL("kernel32.dll")
|
|
CreateToolhelp32Snapshot = kernel.MustFindProc("CreateToolhelp32Snapshot")
|
|
Process32First = kernel.MustFindProc("Process32FirstW")
|
|
Process32Next = kernel.MustFindProc("Process32NextW")
|
|
)
|
|
|
|
// ProcessEntry32 structure defined by the Win32 API
|
|
type processEntry32 struct {
|
|
dwSize uint32
|
|
cntUsage uint32
|
|
th32ProcessID uint32
|
|
th32DefaultHeapID int
|
|
th32ModuleID uint32
|
|
cntThreads uint32
|
|
th32ParentProcessID uint32
|
|
pcPriClassBase int32
|
|
dwFlags uint32
|
|
szExeFile [syscall.MAX_PATH]uint16
|
|
}
|
|
|
|
func getProcessEntry(pid int) (pe *processEntry32, err error) {
|
|
snapshot, _, e1 := CreateToolhelp32Snapshot.Call(th32cs_snapprocess, uintptr(0))
|
|
if snapshot == uintptr(syscall.InvalidHandle) {
|
|
err = fmt.Errorf("CreateToolhelp32Snapshot: %v", e1)
|
|
return
|
|
}
|
|
defer syscall.CloseHandle(syscall.Handle(snapshot))
|
|
|
|
var processEntry processEntry32
|
|
processEntry.dwSize = uint32(unsafe.Sizeof(processEntry))
|
|
ok, _, e1 := Process32First.Call(snapshot, uintptr(unsafe.Pointer(&processEntry)))
|
|
if ok == 0 {
|
|
err = fmt.Errorf("Process32First: %v", e1)
|
|
return
|
|
}
|
|
|
|
for {
|
|
if processEntry.th32ProcessID == uint32(pid) {
|
|
pe = &processEntry
|
|
return
|
|
}
|
|
|
|
ok, _, e1 = Process32Next.Call(snapshot, uintptr(unsafe.Pointer(&processEntry)))
|
|
if ok == 0 {
|
|
err = fmt.Errorf("Process32Next: %v", e1)
|
|
return
|
|
}
|
|
}
|
|
}
|
|
|
|
func getppid() (pid int, err error) {
|
|
pe, err := getProcessEntry(os.Getpid())
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
pid = int(pe.th32ParentProcessID)
|
|
return
|
|
}
|
|
|
|
// StartedByExplorer returns true if the program was invoked by the user double-clicking
|
|
// on the executable from explorer.exe
|
|
//
|
|
// It is conservative and returns false if any of the internal calls fail.
|
|
// It does not guarantee that the program was run from a terminal. It only can tell you
|
|
// whether it was launched from explorer.exe
|
|
func StartedByExplorer() bool {
|
|
ppid, err := getppid()
|
|
if err != nil {
|
|
return false
|
|
}
|
|
|
|
pe, err := getProcessEntry(ppid)
|
|
if err != nil {
|
|
return false
|
|
}
|
|
|
|
name := syscall.UTF16ToString(pe.szExeFile[:])
|
|
return name == "explorer.exe"
|
|
}
|