On Sun, Jun 11, 2023 at 12:01:04AM -0600, Theo de Raadt wrote:
> I assume you are on an architecture where the linker is LLVM ld,
> otherwise known as ld-lld in OpenBSD (some older architectures
> still use ld-bfd).
>
> In llvm/lib/Support/Path.cpp, there is code that acts just like you describe:
>
> void createUniquePath(const Twine &Model, SmallVectorImpl<char> &ResultPath,
> bool MakeAbsolute) {
> ...
> // Replace '%' with random chars.
> for (unsigned i = 0, e = ModelStorage.size(); i != e; ++i) {
> if (ModelStorage[i] == '%')
> ResultPath[i] = "0123456789abcdef"[sys::Process::GetRandomNumber() &
> 15];
> }
>
>
> It apppears in the LLVM universe if you try to create a file with % in the
> name, it has a different interpretation of what that % means, different than
> what you want it to mean.
>
> https://docs.hdoc.io/hdoc/llvm-project/f1FB0DB2307A8013C.html
>
> Other than that, I can find no documentation.
What a stupid interface, lets rebuild mktemp(2) and not learn from
history. It is not like this is new unless you think 30years is new...
Humanity is surely doomed
--
:wq Claudio
