[PATCH 1/3] winebuild: Added support for entry points generated in runtime.

[Erich E. Hoover]

On Jan 21, 2016 9:41 AM, "Sebastian Lackner" <sebastian at fds-team.de> wrote:
> ...
> In this case it shouldn't matter (as far as I know NtOpenFile isn't
intercepted
> by the Chromium Sandbox), however when thinking more carefully about it,
heap
> functions could indeed be problematic. What we theoretically need is two
sets of
> them, user mode calls are supposed to go through NtAllocateVirtualMemory,
but
> kernel mode calls not. I'll do some more testing myself, so far I haven't
found out
> which thunks exactly introduce the randomness in the Chromium sandboxing
code.
> ...

Maybe this is being overly simplistic, but we do have both Zw* and Nt*
entry points. It could make sense to use Zw* internally and route all the
external calls through the thunks (Nt*).

Best,
Erich
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