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// +build windows
/* SPDX-License-Identifier: MIT
*
* Copyright (C) 2005 Microsoft
* Copyright (C) 2017-2019 WireGuard LLC. All Rights Reserved.
*/
package winpipe
import (
"unsafe"
)
//sys convertStringSecurityDescriptorToSecurityDescriptor(str string, revision uint32, sd *uintptr, size *uint32) (err error) = advapi32.ConvertStringSecurityDescriptorToSecurityDescriptorW
//sys localFree(mem uintptr) = LocalFree
//sys getSecurityDescriptorLength(sd uintptr) (len uint32) = advapi32.GetSecurityDescriptorLength
func SddlToSecurityDescriptor(sddl string) ([]byte, error) {
var sdBuffer uintptr
err := convertStringSecurityDescriptorToSecurityDescriptor(sddl, 1, &sdBuffer, nil)
if err != nil {
return nil, err
}
defer localFree(sdBuffer)
sd := make([]byte, getSecurityDescriptorLength(sdBuffer))
copy(sd, (*[0xffff]byte)(unsafe.Pointer(sdBuffer))[:len(sd)])
return sd, nil
}
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