[Bug 50036] Remaining issues in Bugs in ntdll-Junction_Points in staging

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=50036

Rémi Bernon <rbernon at codeweavers.com> changed:

           What    |Removed                     |Added
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                 CC|                            |rbernon at codeweavers.com

--- Comment #3 from Rémi Bernon <rbernon at codeweavers.com> ---
> If I may ask, what are you using symlinks for?  (I want them to eventually reduce the space consumed by the prefix, but getting them upstream has been a challenge)

You should probably know that some game copy protections are pretty sensitive
regarding symlinks and system DLLs. I've found that the symlink resolution that
is already done in wineserver (calling realpath on file objects to canonicalize
their path) can cause trouble in some cases.

CoD: WWII for instance, calls NtQueryInformationFile(FileNameInformation) on
ntdll.dll, and expects its real location to be in c:/windows/system32. It does
the same with the steam_api64.dll that it ships, and expects its path to be the
game installation directory (I had an issue there too because I've got a
symlink in my Steam library path so realpath resolved it differently).

I didn't try this patch series TBH, and perhaps it fixes the issue by exposing
the junction point nature of the links, but it's also possible that it doesn't
as I suspect the game doesn't handle that case.

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