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References: <CALXu0UfQmvNfQ0UFfcTp1hvTYCzQ621ypCWUDuGrPj8wKddkQw@mail.gmail.com>
In-Reply-To: <CALXu0UfQmvNfQ0UFfcTp1hvTYCzQ621ypCWUDuGrPj8wKddkQw@mail.gmail.com>
Date: Tue, 10 Dec 2024 13:21:41 -0700
Message-ID: <CANV9t=RoNQk+EkyPtyRgehume7x7nZeo1_YLEuCDXEPpYd4EdQ@mail.gmail.com>
Subject: Re: getent passwd which works for unprefixed Windows user names with
 both local and domain users?
To: cygwin@cygwin.com
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From: Bill Stewart via Cygwin <cygwin@cygwin.com>
Reply-To: Bill Stewart <bstewart@iname.com>
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On Tue, Dec 10, 2024 at 6:37 AM Cedric Blancher wrote:

We have a Win10 env with mixed local and domain accounts.
> We cannot lookup up local AND domain users with just the plain
> username from Windows. Instead we have to do lookups twice:
>

I don't know the Cygwin solution, but here's a short PowerShell function
that will do it:

function Resolve-AccountName {
  param(
      [Parameter(Mandatory)]
      [Security.Principal.NTAccount]
      $name
  )
  $sid = $name.Translate([Security.Principal.SecurityIdentifier])
  if ( $null -ne $sid ) {
    $sid.Translate([Security.Principal.NTAccount]).Value
  }
}

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