I was reviewing some PowerShell code for a colleague the other day when I stumbled across some code he’d found on the web that I immediately stole, re-wrote into a function, and made use of. Although this information is out there in the PowerShell community and blogosphere I thought I’d post the code, reformatted into a function for dot sourcing, if for no other reason than for me to be able to look it up when I’m on customer site. J
## snipped other utility methods ##
################################################################
# Boolean CheckSessionIsElevated()
#
# Check whether or not the current identity (the principal
# running the current PS session) is a member of
# Builtin\Administrators.
#
# Returns true if the current principal is a member of
# administrators; false otherwise
#
# Function based on the code at:
# http://www.interact-sw.co.uk/iangblog/2007/02/09/pshdetectelevation
################################################################
function CheckSessionIsElevated
{
[System.Security.Principal.WindowsPrincipal]$currentPrincipal = `
New-Object System.Security.Principal.WindowsPrincipal(
[System.Security.Principal.WindowsIdentity]::GetCurrent());
[System.Security.Principal.WindowsBuiltInRole]$administratorsRole = `
[System.Security.Principal.WindowsBuiltInRole]::Administrator;
if($currentPrincipal.IsInRole($administratorsRole))
{
return $true;
}
else
{
return $false;
}
}
As you can see, I’ve taken what Ian Griffiths posted and formatted it the way I like it and added it to my own function library (that probably should be a module). J
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