DSCResources/DSC_AdcsCertificationAuthoritySettings/DSC_AdcsCertificationAuthoritySettings.psm1
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#Requires -Version 5.0 $modulePath = Join-Path -Path (Split-Path -Path (Split-Path -Path $PSScriptRoot -Parent) -Parent) -ChildPath 'Modules' # Import the ADCS Deployment Resource Common Module. Import-Module -Name (Join-Path -Path $modulePath ` -ChildPath (Join-Path -Path 'ActiveDirectoryCSDsc.Common' ` -ChildPath 'ActiveDirectoryCSDsc.Common.psm1')) Import-Module -Name (Join-Path -Path $modulePath -ChildPath 'DscResource.Common') # Import Localization Strings. $script:localizedData = Get-LocalizedData -DefaultUICulture 'en-US' <# This is an array of all the parameters used by this resource. The CurrentValue, NewValue and MockedValue properties are only used by tests but are stored here so that a duplicate table does not have to be created. #> $script:parameterList = Import-LocalizedData ` -BaseDirectory $PSScriptRoot ` -FileName 'DSC_AdcsCertificationAuthoritySettings.data.psd1' # A flags enum containing the Certificate Authority audit filter flags [flags()] enum CertificateAuthorityAuditFilter { StartAndStopADCS = 1 BackupAndRestoreCADatabase = 2 IssueAndManageCertificateRequests = 4 RevokeCertificatesAndPublishCRLs = 8 ChangeCASecuritySettings = 16 StoreAndRetrieveArchivedKeys = 32 ChangeCAConfiguration = 64 } <# This it the registry settings path that Certificate Authority settings can be found. #> $script:certificateAuthorityRegistrySettingsPath = 'HKLM:\System\CurrentControlSet\Services\CertSvc\Configuration' <# .SYNOPSIS Returns an object containing the current state information for the Active Directory Certificate Authority settings. .PARAMETER IsSingleInstance Specifies the resource is a single instance, the value must be 'Yes'. .OUTPUTS Returns an object containing the Active Directory Certificate Authority Settings. #> function Get-TargetResource { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [Parameter(Mandatory = $true)] [ValidateSet('Yes')] [System.String] $IsSingleInstance ) Write-Verbose -Message ( @( "$($MyInvocation.MyCommand): " $($script:localizedData.GettingAdcsCaSettingsMessage) ) -join '' ) $currentcertificateAuthoritySettings = Get-CertificateAuthoritySettings # Generate the return object $returnValue = @{ IsSingleInstance = 'Yes' } # Loop through each of the parameters and add it to the return object foreach ($parameter in $script:parameterList.GetEnumerator()) { switch ($parameter.Value.Type) { 'String[]' { if ($null -ne $currentcertificateAuthoritySettings.$($parameter.Name)) { $parameterValue = $currentcertificateAuthoritySettings.$($parameter.Name) -split '\\n' } else { $parameterValue = [System.String[]] @() } break } 'Flags' { if ($null -ne $currentcertificateAuthoritySettings.AuditFilter) { $parameterValue = [System.String[]] (Convert-AuditFilterToStringArray ` -AuditFilter $currentcertificateAuthoritySettings.AuditFilter) } else { $parameterValue = [System.String[]] @() } break } 'UInt32' { $parameterValue = [System.UInt32] $currentcertificateAuthoritySettings.$($parameter.Name) break } default { $parameterValue = $currentcertificateAuthoritySettings.$($parameter.Name) break } } $returnValue += @{ $($parameter.Name) = $parameterValue } } # foreach return $returnValue } # function Get-TargetResource <# .SYNOPSIS Updates the Active Directory Certificate Authority settings. .PARAMETER IsSingleInstance Specifies the resource is a single instance, the value must be 'Yes'. .PARAMETER CACertPublicationURLs Specifies an array of Certificate Authority certificate publication URLs, each prepended with an integer representing the type of URL endpoint. .PARAMETER CRLPublicationURLs Specifies an array of Certificate Revocation List publication URLs, each prepended with an integer representing the type of URL endpoint. .PARAMETER CRLOverlapUnits Specifies the number of units for the certificate revocation list overlap period. .PARAMETER CRLOverlapPeriod Specifies the units of measurement for the certificate revocation list overlap period. .PARAMETER CRLPeriodUnits Specifies the number of units for the certificate revocation period. .PARAMETER CRLPeriod Specifies the units of measurement for the certificate revocation period. .PARAMETER ValidityPeriodUnits Specifies the number of units for the validity period of certificates issued by this certificate authority. .PARAMETER ValidityPeriod Specifies the units of measurement for the validity period of certificates issued by this certificate authority. .PARAMETER DSConfigDN Specifies the distinguished name of the directory services configuration object that contains this certificate authority in the Active Directory. .PARAMETER DSDomainDN Specifies the distinguished name of the directory services object that contains this certificate authority in the Active Directory. .PARAMETER AuditFilter Specifies an array of audit categories to enable audit logging for. #> function Set-TargetResource { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [ValidateSet('Yes')] [System.String] $IsSingleInstance, [Parameter()] [System.String[]] $CACertPublicationURLs, [Parameter()] [System.String[]] $CRLPublicationURLs, [Parameter()] [System.UInt32] $CRLOverlapUnits, [Parameter()] [ValidateSet('Hours', 'Days', 'Weeks', 'Months', 'Years')] [System.String] $CRLOverlapPeriod, [Parameter()] [System.UInt32] $CRLPeriodUnits, [Parameter()] [ValidateSet('Hours', 'Days', 'Weeks', 'Months', 'Years')] [System.String] $CRLPeriod, [Parameter()] [System.UInt32] $ValidityPeriodUnits, [Parameter()] [ValidateSet('Hours', 'Days', 'Weeks', 'Months', 'Years')] [System.String] $ValidityPeriod, [Parameter()] [System.String] $DSConfigDN, [Parameter()] [System.String] $DSDomainDN, [Parameter()] [ValidateSet('StartAndStopADCS', 'BackupAndRestoreCADatabase', 'IssueAndManageCertificateRequests', 'RevokeCertificatesAndPublishCRLs', 'ChangeCASecuritySettings', 'StoreAndRetrieveArchivedKeys', 'ChangeCAConfiguration')] [System.String[]] $AuditFilter ) Write-Verbose -Message ( @( "$($MyInvocation.MyCommand): " $script:localizedData.SettingAdcsCaSettingsMessage ) -join '' ) $currentSettings = Get-TargetResource ` -IsSingleInstance $IsSingleInstance ` -Verbose:$VerbosePreference $parameterUpdated = $false <# Step through each parameter and update any that are passed and the current value differs from the desired value. #> foreach ($parameter in $script:parameterList.GetEnumerator()) { $updateParameter = $false $parameterName = $parameter.Name $parameterCurrentValue = $currentSettings.$parameterName $parameterDesiredValue = (Get-Variable -Name $parameterName).Value if ($PSBoundParameters.ContainsKey($parameterName)) { switch ($parameter.Value.Type) { 'String[]' { $updateParameter = (Compare-Object ` -ReferenceObject $parameterCurrentValue ` -DifferenceObject $parameterDesiredValue).Count -ne 0 $parameterNewValue = $parameterDesiredValue -join '\n' break } 'Flags' { $updateParameter = (Compare-Object ` -ReferenceObject $parameterCurrentValue ` -DifferenceObject $parameterDesiredValue).Count -ne 0 $parameterNewValue = Convert-StringArrayToAuditFilter -StringArray $parameterDesiredValue break } default { $updateParameter = $parameterCurrentValue -ne $parameterDesiredValue $parameterNewValue = $parameterDesiredValue } } # A parameter needs to be updated if ($updateParameter) { $parameterUpdated = $true Set-CertificateAuthoritySetting ` -Name $parameterName ` -Value $parameterNewValue ` -Verbose:$VerbosePreference } } # if } # foreach if ($parameterUpdated) { Write-Verbose -Message ( @( "$($MyInvocation.MyCommand): " $script:localizedData.RestartingCertSvcMessage ) -join '' ) $null = Restart-ServiceIfExists -Name 'CertSvc' } } # function Set-TargetResource <# .SYNOPSIS Updates the Active Directory Certificate Authority settings. .PARAMETER IsSingleInstance Specifies the resource is a single instance, the value must be 'Yes'. .PARAMETER CACertPublicationURLs Specifies an array of Certificate Authority certificate publication URLs, each prepended with an integer representing the type of URL endpoint. .PARAMETER CRLPublicationURLs Specifies an array of Certificate Revocation List publication URLs, each prepended with an integer representing the type of URL endpoint. .PARAMETER CRLOverlapUnits Specifies the number of units for the certificate revocation list overlap period. .PARAMETER CRLOverlapPeriod Specifies the units of measurement for the certificate revocation list overlap period. .PARAMETER CRLPeriodUnits Specifies the number of units for the certificate revocation period. .PARAMETER CRLPeriod Specifies the units of measurement for the certificate revocation period. .PARAMETER ValidityPeriodUnits Specifies the number of units for the validity period of certificates issued by this certificate authority. .PARAMETER ValidityPeriod Specifies the units of measurement for the validity period of certificates issued by this certificate authority. .PARAMETER DSConfigDN Specifies the distinguished name of the directory services configuration object that contains this certificate authority in the Active Directory. .PARAMETER DSDomainDN Specifies the distinguished name of the directory services object that contains this certificate authority in the Active Directory. .PARAMETER AuditFilter Specifies an array of audit categories to enable audit logging for. #> function Test-TargetResource { [CmdletBinding()] [OutputType([System.Boolean])] param ( [Parameter(Mandatory = $true)] [ValidateSet('Yes')] [System.String] $IsSingleInstance, [Parameter()] [System.String[]] $CACertPublicationURLs, [Parameter()] [System.String[]] $CRLPublicationURLs, [Parameter()] [System.UInt32] $CRLOverlapUnits, [Parameter()] [ValidateSet('Hours', 'Days', 'Weeks', 'Months', 'Years')] [System.String] $CRLOverlapPeriod, [Parameter()] [System.UInt32] $CRLPeriodUnits, [Parameter()] [ValidateSet('Hours', 'Days', 'Weeks', 'Months', 'Years')] [System.String] $CRLPeriod, [Parameter()] [System.UInt32] $ValidityPeriodUnits, [Parameter()] [ValidateSet('Hours', 'Days', 'Weeks', 'Months', 'Years')] [System.String] $ValidityPeriod, [Parameter()] [System.String] $DSConfigDN, [Parameter()] [System.String] $DSDomainDN, [Parameter()] [ValidateSet('StartAndStopADCS', 'BackupAndRestoreCADatabase', 'IssueAndManageCertificateRequests', 'RevokeCertificatesAndPublishCRLs', 'ChangeCASecuritySettings', 'StoreAndRetrieveArchivedKeys', 'ChangeCAConfiguration')] [System.String[]] $AuditFilter ) Write-Verbose -Message ( @( "$($MyInvocation.MyCommand): " $script:localizedData.TestingAdcsCaSettingsMessage ) -join '' ) $currentSettings = Get-TargetResource ` -IsSingleInstance $IsSingleInstance ` -Verbose:$VerbosePreference $null = $PSBoundParameters.Remove('IsSingleInstance') return Test-DscParameterState ` -CurrentValues $currentSettings ` -DesiredValues $PSBoundParameters ` -Verbose:$VerbosePreference } # function Test-TargetResource <# .SYNOPSIS Return the settings for the installed certificate authotity. .DESCRIPTION Get the settings for the installed certificate authotity from the registry and return them. If no active certificate authority is found in the registry then an exception is thrown. #> function Get-CertificateAuthoritySettings { [CmdletBinding()] [OutputType([System.Management.Automation.PSCustomObject[]])] param () $activeCertificateAuthority = Get-ItemPropertyValue ` -Path $script:certificateAuthorityRegistrySettingsPath ` -Name 'Active' ` -ErrorAction SilentlyContinue if ([System.String]::IsNullOrEmpty($activeCertificateAuthority)) { New-ObjectNotFoundException -Message ($script:localizedData.CertificateAuthorityNoneActive -f ` $script:certificateAuthorityRegistrySettingsPath) } $certificateAuthorityRegistryPath = Join-Path ` -Path $script:certificateAuthorityRegistrySettingsPath ` -ChildPath $activeCertificateAuthority return Get-ItemProperty ` -Path $certificateAuthorityRegistryPath } # function Get-CertificateAuthoritySettings <# .SYNOPSIS Convers an audit filter flags bit field into an array of strings containing the friendly names of the audit filter flag. .PARAMETER AuditFilter The audit filter bit field to convert to an array of strings. #> function Convert-AuditFilterToStringArray { [CmdletBinding()] [OutputType([System.String[]])] param ( [Parameter()] [ValidateRange(0, 127)] [System.Int32] $AuditFilter ) if ($AuditFilter -eq 0) { return [System.String[]] @() } return ([CertificateAuthorityAuditFilter] $AuditFilter -split ', ') } # function Convert-AuditFilterToStringArray <# .SYNOPSIS Convers an array of strings containing audit filter friendly names into an audit filter flags field. .PARAMETER AuditFilter The audit filter bit field to convert to an array of strings. #> function Convert-StringArrayToAuditFilter { [CmdletBinding()] [OutputType([System.Int32])] param ( [Parameter()] [ValidateSet('StartAndStopADCS', 'BackupAndRestoreCADatabase', 'IssueAndManageCertificateRequests', 'RevokeCertificatesAndPublishCRLs', 'ChangeCASecuritySettings', 'StoreAndRetrieveArchivedKeys', 'ChangeCAConfiguration')] [System.String[]] $StringArray ) if ($StringArray.Count -eq 0) { return 0 } return ([CertificateAuthorityAuditFilter] $StringArray).value__ } # function Convert-StringArrayToAuditFilter <# .SYNOPSIS Convers an array of strings containing audit filter friendly names into an audit filter flags field. .PARAMETER AuditFilter The audit filter bit field to convert to an array of strings. #> function Set-CertificateAuthoritySetting { [CmdletBinding()] param ( [Parameter()] [System.String] $Name, [Parameter()] [System.String] $Value ) & "$($ENV:SystemRoot)\system32\certutil.exe" @('-setreg', "CA\$Name", $Value) Write-Verbose -Message ( @( "$($MyInvocation.MyCommand): " ($script:localizedData.UpdatingAdcsCaSettingMessage -f $Name, $Value) ) -join '' ) } # function Set-CertificateAuthoritySetting |