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windows: refactor (*SD).copySelfRelativeSecurityDescriptor and (*SD).String

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This commit is contained in:
Yaroslav Vorobiov
2020-05-18 15:49:41 +03:00
parent 73c410a3a0
commit 73288ad18a
1 changed files with 9 additions and 13 deletions
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22
windows/security_windows.go
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@@ -1226,19 +1226,12 @@ func (sd *SECURITY_DESCRIPTOR) IsValid() bool {
// used with %v formatting directives.
func (sd *SECURITY_DESCRIPTOR) String() string {
var sddl *uint16
var strLen uint32
err := convertSecurityDescriptorToStringSecurityDescriptor(sd, 1, 0xff, &sddl, &strLen)
err := convertSecurityDescriptorToStringSecurityDescriptor(sd, 1, 0xff, &sddl, nil)
if err != nil {
return ""
}
defer LocalFree(Handle(unsafe.Pointer(sddl)))
var utf16s []uint16
h := (*unsafeheader.Slice)(unsafe.Pointer(&utf16s))
h.Data = unsafe.Pointer(sddl)
h.Len = int(strLen)
h.Cap = int(strLen)
return UTF16ToString(utf16s)
return UTF16PtrToString(sddl)
}
// ToAbsolute converts a self-relative security descriptor into an absolute one.
@@ -1316,12 +1309,15 @@ func (absoluteSD *SECURITY_DESCRIPTOR) ToSelfRelative() (selfRelativeSD *SECURIT
}
func (selfRelativeSD *SECURITY_DESCRIPTOR) copySelfRelativeSecurityDescriptor() *SECURITY_DESCRIPTOR {
var dst, src []byte
dst = make([]byte, selfRelativeSD.Length())
sdLen := (int)(selfRelativeSD.Length())
var src []byte
h := (*unsafeheader.Slice)(unsafe.Pointer(&src))
h.Data = unsafe.Pointer(selfRelativeSD)
h.Len = len(dst)
h.Cap = len(dst)
h.Len = sdLen
h.Cap = sdLen
dst := make([]byte, sdLen)
copy(dst, src)
return (*SECURITY_DESCRIPTOR)(unsafe.Pointer(&dst[0]))
}