Module/Rule.WindowsFeature/Convert/Methods.ps1
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# Copyright (c) Microsoft Corporation. All rights reserved. # Licensed under the MIT License. #region Method Functions <# .SYNOPSIS Retreives the WindowsFeature name from the check-content element in the xccdf .PARAMETER CheckContent Specifies the check-content element in the xccdf #> function Get-WindowsFeatureName { [CmdletBinding()] [OutputType([string])] param ( [Parameter(Mandatory = $true)] [string] $CheckContent ) Write-Verbose "[$($MyInvocation.MyCommand.Name)]" $windowsFeatureName = @() try { switch ($checkContent) { {$PSItem -match $regularExpression.WindowsFeatureName} { <# The regex returns and named capture group called 'featureName' that contains the feature name. $regularExpression.WindowsFeatureName has been updated to incorporate the patterns from $regularExpression.FeatureNameEquals and $regularExpression.FeatureNameSpaceColon. They are both commented out below for now case other STIGs stop parsing correctly. They will be removed as part of Issue #223 #> $null = $PSItem -match $regularExpression.WindowsFeatureName $windowsFeatureName += $Matches['featureName'] } {$PSItem -match $regularExpression.FeatureNameSpaceColon} { $matches = $checkContent | Select-String -Pattern $regularExpression.FeatureNameSpaceColon -AllMatches $windowsFeatureName += ( $matches.Matches.Value -replace 'FeatureName\s\:' ).Trim() } {$PSItem -match $regularExpression.IfTheApplicationExists -and $PSItem -notmatch 'telnet'} { $matches = $checkContent | Select-String -Pattern $regularExpression.IfTheApplicationExists $windowsFeatureName += (($matches.Matches.Value | Select-String -Pattern ([RegularExpression]::TextBetweenQuotes)).Matches.Value -replace '"').Trim() } {$PSItem -match 'Telnet Client'} { $windowsFeatureName += 'TelnetClient' } {$PSItem -match $regularExpression.WebDavPublishingFeature} { $windowsFeatureName += 'Web-DAV-Publishing' } {$PSItem -match $regularExpression.SimpleTCP} { $windowsFeatureName += 'SimpleTCP' } {$PSItem -match $regularExpression.IISHostableWebCore} { $windowsFeatureName += 'IIS-HostableWebCore' } {$PSItem -match $regularExpression.IISWebserver} { $windowsFeatureName += 'IIS-WebServer' } } } catch { Write-Verbose "[$($MyInvocation.MyCommand.Name)] WindowsOptionalFeature : Not Found" return $null } return ($windowsFeatureName -join ',') } <# .SYNOPSIS Retreives the WindowsFeature InstallState from the check-content element in the xccdf .PARAMETER CheckContent Specifies the check-content element in the xccdf #> function Get-FeatureInstallState { [CmdletBinding()] [OutputType([string])] param ( [Parameter(Mandatory = $true)] [string] $CheckContent ) switch ($checkContent) { <# Currently ALL WindowsFeatureRules referenced in any of the STIGs will be uninstalled (Absent) so the default is Absent. When a STIG rule states a WindowsFeature is to be installed (Present) we can add the logic here. #> {$PSItem -eq $false} { return [ensure]::Present } default { [ensure]::Absent } } } <# .SYNOPSIS Test if the check-content contains WindowsFeatures to install/uninstall. .PARAMETER CheckContent Specifies the check-content element in the xccdf #> function Test-MultipleWindowsFeatureRule { [CmdletBinding()] [OutputType([bool])] param ( [Parameter(Mandatory = $true)] [AllowEmptyString()] [string] $FeatureName ) if ( $FeatureName -match ',') { return $true } return $false } <# .SYNOPSIS Consumes a list of mitigation targets seperated by a comma and outputs an array .PARAMETER FeatureName A list of comma seperate WindowsFeature names #> function Split-WindowsFeatureRule { [CmdletBinding()] [OutputType([array])] param ( [Parameter(Mandatory = $true)] [AllowEmptyString()] [string] $FeatureName ) return ( $FeatureName -split ',' ) } #endregion |