62 lines
1.5 KiB
Go
62 lines
1.5 KiB
Go
// Copyright 2012 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
// +build windows
|
|
|
|
package svc
|
|
|
|
import (
|
|
"unsafe"
|
|
|
|
"golang.org/x/sys/windows"
|
|
)
|
|
|
|
func allocSid(subAuth0 uint32) (*windows.SID, error) {
|
|
var sid *windows.SID
|
|
err := windows.AllocateAndInitializeSid(&windows.SECURITY_NT_AUTHORITY,
|
|
1, subAuth0, 0, 0, 0, 0, 0, 0, 0, &sid)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return sid, nil
|
|
}
|
|
|
|
// IsAnInteractiveSession determines if calling process is running interactively.
|
|
// It queries the process token for membership in the Interactive group.
|
|
// http://stackoverflow.com/questions/2668851/how-do-i-detect-that-my-application-is-running-as-service-or-in-an-interactive-s
|
|
func IsAnInteractiveSession() (bool, error) {
|
|
interSid, err := allocSid(windows.SECURITY_INTERACTIVE_RID)
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
defer windows.FreeSid(interSid)
|
|
|
|
serviceSid, err := allocSid(windows.SECURITY_SERVICE_RID)
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
defer windows.FreeSid(serviceSid)
|
|
|
|
t, err := windows.OpenCurrentProcessToken()
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
defer t.Close()
|
|
|
|
gs, err := t.GetTokenGroups()
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
p := unsafe.Pointer(&gs.Groups[0])
|
|
groups := (*[2 << 20]windows.SIDAndAttributes)(p)[:gs.GroupCount]
|
|
for _, g := range groups {
|
|
if windows.EqualSid(g.Sid, interSid) {
|
|
return true, nil
|
|
}
|
|
if windows.EqualSid(g.Sid, serviceSid) {
|
|
return false, nil
|
|
}
|
|
}
|
|
return false, nil
|
|
}
|