functions/Import-GptWmiFilter.ps1
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function Import-GptWmiFilter { <# .SYNOPSIS Imports WMI filters. .DESCRIPTION Imports WMI filters stored to file using Export-GptWmiFilter. Note: This should be performed before using Import-GptPolicy. .PARAMETER Path The path from which to import the WmiFilters .PARAMETER Domain The domain into which to import the WmiFilters .EXAMPLE PS C:\> Import-GptWmiFilter -Path '.' Import WMI Filters from the current path. #> [CmdletBinding()] param ( [ValidateScript({ Test-Path -Path $_ })] [Parameter(Mandatory = $true)] [string] $Path, [string] $Domain = $env:USERDNSDOMAIN ) begin { $pathItem = Get-Item -Path $Path if ($pathItem.Extension -eq '.csv') { $resolvedPath = $pathItem.FullName } else { $resolvedPath = (Get-ChildItem -Path $pathItem.FullName -Filter 'gp_wmifilters_*.csv' | Select-Object -First 1).FullName } if (-not $resolvedPath) { throw "Could not find WMI Filters file in $($pathItem.FullName)" } $allWmiFilterEntries = Import-Csv -Path $resolvedPath $namingContext = (Get-ADRootDSE -Server $Domain).DefaultNamingContext $pdcEmulator = (Get-ADDomain -Server $Domain).PDCEmulator } process { foreach ($wmiFilter in $allWmiFilterEntries) { #region Update Existing if ($adObject = Get-ADObject -Server $pdcEmulator -LDAPFilter "(&(objectClass=msWMI-Som)(msWMI-Name=$($wmiFilter.Name)))") { $adObject | Set-ADObject -Server $pdcEmulator -Replace @{ 'msWMI-Author' = $wmiFilter.Author 'msWMI-Parm1' = $wmiFilter.Description 'msWMI-Parm2' = $wmiFilter.Filter } } #endregion Update Existing #region Create New else { $wmiGuid = "{$([System.Guid]::NewGuid())}" $creationDate = (Get-Date).ToUniversalTime().ToString("yyyyMMddhhmmss.ffffff-000") $attributes = @{ "showInAdvancedViewOnly" = "TRUE" "msWMI-Name" = $wmiFilter.Name "msWMI-Parm1" = $wmiFilter.Description "msWMI-Parm2" = $wmiFilter.Filter "msWMI-Author" = $wmiFilter.Author "msWMI-ID" = $wmiGuid "instanceType" = 4 "distinguishedname" = "CN=$wmiGuid,CN=SOM,CN=WMIPolicy,CN=System,$namingContext" "msWMI-ChangeDate" = $creationDate "msWMI-CreationDate" = $creationDate } $paramNewADObject = @{ OtherAttributes = $attributes Name = $wmiGuid Type = "msWMI-Som" Path = "CN=SOM,CN=WMIPolicy,CN=System,$namingContext" Server = $pdcEmulator } $null = New-ADObject @paramNewADObject } #endregion Create New } } } |