library/xWindowsUpdate/3.0.0/DSCResources/MSFT_xWindowsUpdate/MSFT_xWindowsUpdate.psm1
$script:resourceHelperModulePath = Join-Path -Path $PSScriptRoot -ChildPath '..\..\Modules\DscResource.Common' Import-Module -Name $script:resourceHelperModulePath $script:localizedData = Get-LocalizedData -DefaultUICulture 'en-US' $script:cacheLocation = "$env:ProgramData\Microsoft\Windows\PowerShell\Configuration\BuiltinProvCache\MSFT_xWindowsUpdate" # Get-TargetResource function function Get-TargetResource { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [Parameter(Mandatory = $true)] [System.String] $Path, [Parameter(Mandatory = $true)] [System.String] $Id ) $uri, $kbId = Test-StandardArguments -Path $Path -Id $Id Write-Verbose -Message ($script:localizedData.GettingHotfixMessage -f $Id) $hotfix = Get-HotFix -Id "KB$kbId" $returnValue = @{ Path = '' Id = $hotfix.HotFixId Log = '' } $returnValue } # The Set-TargetResource cmdlet function Set-TargetResource { # should be [Diagnostics.CodeAnalysis.SuppressMessageAttribute("PSAvoidGlobalVars", "DSCMachineStatus")], but it doesn't work [Diagnostics.CodeAnalysis.SuppressMessageAttribute("PSAvoidGlobalVars", "")] [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [System.String] $Path, [Parameter(Mandatory = $true)] [System.String] $Id, [Parameter()] [System.String] $Log, [Parameter()] [ValidateSet('Present', 'Absent')] [System.String] $Ensure = 'Present', [Parameter()] [System.Management.Automation.PSCredential] $Credential ) if (!$Log) { $Log = [IO.Path]::GetTempFileName() $Log += '.etl' Write-Verbose -Message ($script:localizedData.LogNotSpecified -f $Log) } $uri, $kbId = Test-StandardArguments -Path $Path -Id $Id if ($Ensure -eq 'Present') { $filePath = Test-WindowsUpdatePath -uri $uri -Credential $Credential Write-Verbose -Message "$($script:localizedData.StartKeyWord) $($script:localizedData.ActionInstallUsingWsusa)" Start-Process -FilePath 'wusa.exe' -ArgumentList "`"$filepath`" /quiet /norestart /log:`"$Log`"" -Wait -NoNewWindow -ErrorAction SilentlyContinue $errorOccurred = Get-WinEvent -Path $Log -Oldest | Where-Object -FilterScript { $_.Id -eq 3 } if ($errorOccurred) { $errorMessage = $script:localizedData.ErrorOccurredOnHotfixInstall -f $Log, $errorOccurred.Message New-InvalidOperationException -Message $errorMessage } Write-Verbose -Message "$($script:localizedData.EndKeyWord) $($script:localizedData.ActionInstallUsingWsusa)" } else { $argumentList = "/uninstall /KB:$kbId /quiet /norestart /log:`"$Log`"" Write-Verbose -Message "$($script:localizedData.StartKeyWord) $($script:localizedData.ActionUninstallUsingWsusa) Arguments: $ArgumentList" Start-Process -FilePath 'wusa.exe' -ArgumentList $argumentList -Wait -NoNewWindow -ErrorAction SilentlyContinue # Read the log and see if there was an error event $errorOccurred = Get-WinEvent -Path $Log -Oldest | Where-Object -FilterScript { $_.Id -eq 3 } if ($errorOccurred) { $errorMessage = $script:localizedData.ErrorOccurredOnHotfixUninstall -f $Log, $errorOccurred.Message New-InvalidOperationException -Message $errorMessage } Write-Verbose -Message "$($script:localizedData.EndKeyWord) $($script:localizedData.ActionUninstallUsingWsusa)" } if (Test-Path -Path 'variable:\LASTEXITCODE') { if ($LASTEXITCODE -eq 3010) { # reboot machine if exitcode indicates reboot. $global:DSCMachineStatus = 1 } } } # Function to test if Hotfix is installed. function Test-TargetResource { [CmdletBinding()] [OutputType([System.Boolean])] param ( [Parameter(Mandatory = $true)] [System.String] $Path, [Parameter(Mandatory = $true)] [System.String] $Id, [Parameter()] [System.String] $Log, [Parameter()] [ValidateSet('Present', 'Absent')] [System.String] $Ensure = 'Present', [Parameter()] [System.Management.Automation.PSCredential] $Credential ) Write-Verbose -Message ($script:localizedData.TestingEnsure -f $Ensure) $uri, $kbId = Test-StandardArguments -Path $Path -Id $Id <# This is not the correct way to test to see if an update is applicable to a machine but, WUSA does not currently expose a way to ask. #> $result = Get-HotFix -Id "KB$kbId" -ErrorAction SilentlyContinue $returnValue = [System.Boolean] $result if ($Ensure -eq 'Present') { return $returnValue } else { return !$returnValue } } function Test-StandardArguments { param ( [Parameter()] [System.String] $Path, [Parameter()] [System.String] $Id ) Write-Verbose -Message ($script:localizedData.TestStandardArgumentsPathWasPath -f $Path) $uri = $null try { $uri = [uri] $Path } catch { $errorMessage = $script:localizedData.InvalidPath -f $Path New-InvalidArgumentException -ArgumentName 'Path' -Message $errorMessage } if (-not @('file', 'http', 'https') -contains $uri.Scheme) { $errorMessage = $script:localizedData.InvalidPath -f $Path, $uri.Scheme New-InvalidArgumentException -ArgumentName 'Path' -Message $errorMessage } $pathExt = [System.IO.Path]::GetExtension($Path) Write-Verbose -Message ($script:localizedData.ThePathExtensionWasPathExt -f $pathExt) if (-not @('.msu') -contains $pathExt.ToLower()) { $errorMessage = $script:localizedData.InvalidBinaryType -f $Path New-InvalidArgumentException -ArgumentName 'Path' -Message $errorMessage } if (-not $Id) { $errorMessage = $script:localizedData.NeedsMoreInfo -f $Path New-InvalidArgumentException -ArgumentName 'Id' -Message $errorMessage } else { if ($Id -match 'kb[0-9]+') { if ($Matches[0] -eq $id) { $kbId = $id.Substring(2) } else { $errorMessage = $script:localizedData.InvalidIdFormat -f $Path New-InvalidArgumentException -ArgumentName 'Id' -Message $errorMessage } } elseif ($id -match '[0-9]+') { if ($Matches[0] -eq $id) { $kbId = $id } else { $errorMessage = $script:localizedData.InvalidIdFormat -f $Path New-InvalidArgumentException -ArgumentName 'Id' -Message $errorMessage } } } return @($uri, $kbId) } <# .SYNOPSIS Validate path, if necessary, cache file and return the location to be accessed #> function Test-WindowsUpdatePath { param ( [Parameter(Mandatory = $true)] [System.Uri] $uri, [Parameter()] [System.Management.Automation.PSCredential] $Credential ) if ($uri.IsUnc) { $psDriveArgs = @{ Name = ([guid]::NewGuid()) PSProvider = 'FileSystem' Root = (Split-Path $uri.LocalPath) } if ($Credential) { #We need to optionally include these and then splat the hash otherwise #we pass a null for Credential which causes the cmdlet to pop a dialog up $psDriveArgs['Credential'] = $Credential } $psDrive = New-PSDrive @psDriveArgs $path = Join-Path $psDrive.Root (Split-Path -Leaf $uri.LocalPath) #Necessary? } elseif (@('http', 'https') -contains $uri.Scheme) { $scheme = $uri.Scheme $outStream = $null $responseStream = $null try { Write-Verbose -Message ($script:localizedData.CreatingCacheLocation) if (-not (Test-Path -PathType Container $script:cacheLocation)) { mkdir $script:cacheLocation | Out-Null } $destName = Join-Path $script:cacheLocation (Split-Path -Leaf $uri.LocalPath) Write-Verbose -Message ($script:localizedData.NeedToDownloadFileFromSchemeDestinationWillBeDestName -f $scheme, $destName) try { Write-Verbose -Message ($script:localizedData.CreatingTheDestinationCacheFile) $outStream = New-Object System.IO.FileStream $destName, 'Create' } catch { # Should never happen since we own the cache directory $errorMessage = $script:localizedData.CouldNotOpenDestFile -f $destName New-InvalidOperationException -Message $errorMessage -ErrorRecord $_ } try { Write-Verbose -Message ($script:localizedData.CreatingTheSchemeStream -f $scheme) $request = [System.Net.WebRequest]::Create($uri) Write-Verbose -Message ($script:localizedData.SettingDefaultCredential) $request.Credentials = [System.Net.CredentialCache]::DefaultCredentials if ($scheme -eq 'http') { Write-Verbose -Message ($script:localizedData.SettingAuthenticationLevel) # default value is MutualAuthRequested, which applies to https scheme $request.AuthenticationLevel = [System.Net.Security.AuthenticationLevel]::None } if ($scheme -eq 'https') { Write-Verbose -Message ($script:localizedData.IgnoringBadCertificates) $request.ServerCertificateValidationCallBack = { $true } } Write-Verbose -Message ($script:localizedData.GettingTheSchemeResponseStream -f $scheme) $responseStream = (([System.Net.HttpWebRequest] $request).GetResponse()).GetResponseStream() } catch { $errorMessage = $script:localizedData.CouldNotGetHttpStream -f $scheme, $path New-InvalidOperationException -Message $errorMessage -ErrorRecord $_ } try { Write-Verbose -Message ($script:localizedData.CopyingTheSchemeStreamBytesToTheDiskCache -f $scheme) $responseStream.CopyTo($outStream) $responseStream.Flush() $outStream.Flush() } catch { $errorMessage = $script:localizedData.ErrorCopyingDataToFile -f $path, $destName New-InvalidOperationException -Message $errorMessage -ErrorRecord $_ } } finally { if ($outStream) { $outStream.Close() } if ($responseStream) { $responseStream.Close() } } Write-Verbose -Message ($script:localizedData.RedirectingPackagePathToCacheFileLocation) $Path = $destName } return $path } Export-ModuleMember -Function *-TargetResource |