[PATCH 06/12] (resend) LookupAccountNameW() - use CreateWellKnowenSid() properly

Paul Bryan Roberts pbronline-wine at yahoo.co.uk
Tue Oct 21 01:29:27 CDT 2008

LookupAccountNameW() has a stubbed but non-empty, incomplete, buggy
implementation.  It fails a number of unit tests but Wine code relies on

This is series of patches that provide what may be a reasonable first
pass implementation of LookupAccountNameA() and LookupAccountNameW() that:

    - passes existing units tests for LookupAccountName
    - works for well known SIDs
    - works for 'first user account'
    - allows progress towards the resolution of Bug 14334

This patch also amends the handling of well-know-SIDs to use
CreateWellKnownSid() correctly.

LookupAccountName() can be called with a NULL SID pointer to find out
how big a SID the routine would return otherwise.  CreateWellKnownSid()
cannot be used this way.

So, CreateWellKnownSid() must be a passed a maximum sized side.  This is
allocated from heap memory instead of the stack.  The real reason for
this will become clear later in the series.

This patch is conformance test neutral.

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