dsclibrary/MEMBER_SUBCA.DSC.ps1

<###################################################################################################
DSC Template Configuration File For use by LabBuilder
.Title
    MEMBER_SUBCA
.Desription
    Builds a Enterprise Subordinate\Issuing CA.
.Parameters:
    DomainName = "LABBUILDER.COM"
    DomainAdminPassword = "P@ssword!1"
    DCName = 'SA-DC1'
    PSDscAllowDomainUser = $True
    InstallRSATTools = $True
    CACommonName = "LABBUILDER.COM Issuing CA"
    CADistinguishedNameSuffix = "DC=LABBUILDER,DC=COM"
    CRLPublicationURLs = "65:C:\Windows\system32\CertSrv\CertEnroll\%3%8%9.crl\n79:ldap:///CN=%7%8,CN=%2,CN=CDP,CN=Public Key Services,CN=Services,%6%10\n6:http://pki.labbuilder.com/CertEnroll/%3%8%9.crl"
    CACertPublicationURLs = "1:C:\Windows\system32\CertSrv\CertEnroll\%1_%3%4.crt\n2:ldap:///CN=%7,CN=AIA,CN=Public Key Services,CN=Services,%6%11\n2:http://pki.labbuilder.com/CertEnroll/%1_%3%4.crt"
    RootCAName = "SS_ROOTCA"
    RootCACommonName = "LABBUILDER.COM Root CA"
###################################################################################################>


Configuration MEMBER_SUBCA
{
    Import-DscResource -ModuleName 'PSDesiredStateConfiguration'
    Import-DscResource -ModuleName xComputerManagement
    Import-DscResource -ModuleName xAdcsDeployment
    Import-DscResource -ModuleName xPSDesiredStateConfiguration
    Import-DscResource -ModuleName xNetworking
    Node $AllNodes.NodeName {
        # Assemble the Local Admin Credentials
        If ($Node.LocalAdminPassword) {
            [PSCredential]$LocalAdminCredential = New-Object System.Management.Automation.PSCredential ("Administrator", (ConvertTo-SecureString $Node.LocalAdminPassword -AsPlainText -Force))
        }
        If ($Node.DomainAdminPassword) {
            [PSCredential]$DomainAdminCredential = New-Object System.Management.Automation.PSCredential ("$($Node.DomainName)\Administrator", (ConvertTo-SecureString $Node.DomainAdminPassword -AsPlainText -Force))
        }

        # Install the CA Service
        WindowsFeature ADCSCA {
            Name = 'ADCS-Cert-Authority'
            Ensure = 'Present'
        }

        # Install the Web Enrollment Service
        WindowsFeature WebEnrollmentCA {
            Name = 'ADCS-Web-Enrollment'
            Ensure = 'Present'
            DependsOn = "[WindowsFeature]ADCSCA"
        }

        WindowsFeature InstallWebMgmtService
        {
            Ensure = "Present"
            Name = "Web-Mgmt-Service"
            DependsOn = '[WindowsFeature]ADCSWebEnrollment'
        }

        if ($InstallRSATTools)
        {
            WindowsFeature RSAT-ManagementTools
            {
                Ensure    = "Present"
                Name      = "RSAT-AD-Tools"
                DependsOn = "[WindowsFeature]ADCSCA"
            }
        }

        if ($Node.InstallOnlineResponder) {
            # Install the Online Responder Service
            WindowsFeature OnlineResponderCA {
                Name = 'ADCS-Online-Cert'
                Ensure = 'Present'
                DependsOn = "[WindowsFeature]ADCSCA"
            }
        }

        if ($Node.InstallEnrollmentWebService) {
            # Install the Enrollment Web Service/Enrollment Policy Web Service
            WindowsFeature EnrollmentWebSvc {
                Name = 'ADCS-Enroll-Web-Svc'
                Ensure = 'Present'
                DependsOn = "[WindowsFeature]ADCSCA"
            }

            WindowsFeature EnrollmentWebPol {
                Name = 'ADCS-Enroll-Web-Pol'
                Ensure = 'Present'
                DependsOn = "[WindowsFeature]WebEnrollmentCA"
            }
        }

        # Wait for the Domain to be available so we can join it.
        WaitForAll DC
        {
        ResourceName      = '[xADDomain]PrimaryDC'
        NodeName          = $Node.DCname
        RetryIntervalSec  = 15
        RetryCount        = 60
        }

        # Join this Server to the Domain
        xComputer JoinDomain
        {
            Name          = $Node.NodeName
            DomainName    = $Node.DomainName
            Credential    = $DomainAdminCredential
            DependsOn = "[WaitForAll]DC"
        }

        # Create the CAPolicy.inf file that sets basic parameters for certificate issuance for this CA.
        File CAPolicy
        {
            Ensure = 'Present'
            DestinationPath = 'C:\Windows\CAPolicy.inf'
            Contents = "[Version]`r`n Signature= `"$Windows NT$`"`r`n[Certsrv_Server]`r`n RenewalKeyLength=2048`r`n RenewalValidityPeriod=Years`r`n RenewalValidityPeriodUnits=10`r`n LoadDefaultTemplates=1`r`n AlternateSignatureAlgorithm=1`r`n"
            Type = 'File'
            DependsOn = '[xComputer]JoinDomain'
        }

        # Make a CertEnroll folder to put the Root CA certificate into.
        # The CA Web Enrollment server would also create this but we need it now.
        File CertEnrollFolder
        {
            Ensure = 'Present'
            DestinationPath = 'C:\Windows\System32\CertSrv\CertEnroll'
            Type = 'Directory'
            DependsOn = '[File]CAPolicy'
        }

        # Wait for the RootCA Web Enrollment to complete so we can grab the Root CA certificate
        # file.
        WaitForAny RootCA
        {
            ResourceName = '[xADCSWebEnrollment]ConfigWebEnrollment'
            NodeName = $Node.RootCAName
            RetryIntervalSec = 30
            RetryCount = 30
            DependsOn = "[File]CertEnrollFolder"
        }

        # Download the Root CA certificate file.
        xRemoteFile DownloadRootCACRTFile
        {
            DestinationPath = "C:\Windows\System32\CertSrv\CertEnroll\$($Node.RootCAName)_$($Node.RootCACommonName).crt"
            Uri = "http://$($Node.RootCAName)/CertEnroll/$($Node.RootCAName)_$($Node.RootCACommonName).crt"
            DependsOn = '[WaitForAny]RootCA'
        }

        # Download the Root CA certificate revocation list.
        xRemoteFile DownloadRootCACRLFile
        {
            DestinationPath = "C:\Windows\System32\CertSrv\CertEnroll\$($Node.RootCACommonName).crl"
            Uri = "http://$($Node.RootCAName)/CertEnroll/$($Node.RootCACommonName).crl"
            DependsOn = '[xRemoteFile]DownloadRootCACRTFile'
        }

        # Install the Root CA Certificate to the LocalMachine Root Store and DS
        Script InstallRootCACert
        {
            PSDSCRunAsCredential = $DomainAdminCredential
            SetScript = {
                Write-Verbose -Message "Registering the Root CA Certificate C:\Windows\System32\CertSrv\CertEnroll\$($Using:Node.RootCAName)_$($Using:Node.RootCACommonName).crt in DS..."
                & "$($ENV:SystemRoot)\system32\certutil.exe" -f -dspublish "C:\Windows\System32\CertSrv\CertEnroll\$($Using:Node.RootCAName)_$($Using:Node.RootCACommonName).crt" RootCA
                Write-Verbose -Message "Registering the Root CA CRL C:\Windows\System32\CertSrv\CertEnroll\$($Node.RootCACommonName).crl in DS..."
                & "$($ENV:SystemRoot)\system32\certutil.exe" -f -dspublish "C:\Windows\System32\CertSrv\CertEnroll\$($Node.RootCACommonName).crl" "$($Using:Node.RootCAName)"
                Write-Verbose -Message "Installing the Root CA Certificate C:\Windows\System32\CertSrv\CertEnroll\$($Using:Node.RootCAName)_$($Using:Node.RootCACommonName).crt..."
                & "$($ENV:SystemRoot)\system32\certutil.exe" -addstore -f root "C:\Windows\System32\CertSrv\CertEnroll\$($Using:Node.RootCAName)_$($Using:Node.RootCACommonName).crt"
                Write-Verbose -Message "Installing the Root CA CRL C:\Windows\System32\CertSrv\CertEnroll\$($Node.RootCACommonName).crl..."
                & "$($ENV:SystemRoot)\system32\certutil.exe" -addstore -f root "C:\Windows\System32\CertSrv\CertEnroll\$($Node.RootCACommonName).crl"
            }
            GetScript = {
                Return @{
                    Installed = ((Get-ChildItem -Path Cert:\LocalMachine\Root | Where-Object -FilterScript { ($_.Subject -Like "CN=$($Using:Node.RootCACommonName),*") -and ($_.Issuer -Like "CN=$($Using:Node.RootCACommonName),*") } ).Count -EQ 0)
                }
            }
            TestScript = {
                If ((Get-ChildItem -Path Cert:\LocalMachine\Root | Where-Object -FilterScript { ($_.Subject -Like "CN=$($Using:Node.RootCACommonName),*") -and ($_.Issuer -Like "CN=$($Using:Node.RootCACommonName),*") } ).Count -EQ 0) {
                    Write-Verbose -Message "Root CA Certificate Needs to be installed..."
                    Return $False
                }
                Return $True
            }
            DependsOn = '[xRemoteFile]DownloadRootCACRTFile'
        }

        # Configure the Sub CA which will create the Certificate REQ file that Root CA will use
        # to issue a certificate for this Sub CA.
        xADCSCertificationAuthority ConfigCA
        {
            Ensure = 'Present'
            Credential = $DomainAdminCredential
            CAType = 'EnterpriseSubordinateCA'
            CACommonName = $Node.CACommonName
            CADistinguishedNameSuffix = $Node.CADistinguishedNameSuffix
            OverwriteExistingCAinDS  = $True
            OutputCertRequestFile = "c:\windows\system32\certsrv\certenroll\$($Node.NodeName).req"
            CryptoProviderName = 'RSA#Microsoft Software Key Storage Provider'
            HashAlgorithmName = 'SHA256'
            KeyLength = 2048
            DependsOn = '[Script]InstallRootCACert'
        }

        # Configure the Web Enrollment Feature
        xADCSWebEnrollment ConfigWebEnrollment {
            Ensure = 'Present'
            IsSingleInstance = 'Yes'
            CAConfig = 'CertSrv'
            Credential = $LocalAdminCredential
            DependsOn = '[xADCSCertificationAuthority]ConfigCA'
        }

        # Set the IIS Mime Type to allow the REQ request to be downloaded by the Root CA
        Script SetREQMimeType
        {
            SetScript = {
                Add-WebConfigurationProperty -PSPath IIS:\ -Filter //staticContent -Name "." -Value @{fileExtension='.req';mimeType='application/pkcs10'}
            }
            GetScript = {
                Return @{
                    'MimeType' = ((Get-WebConfigurationProperty -Filter "//staticContent/mimeMap[@fileExtension='.req']" -PSPath IIS:\ -Name *).mimeType);
                }
            }
            TestScript = {
                If (-not (Get-WebConfigurationProperty -Filter "//staticContent/mimeMap[@fileExtension='.req']" -PSPath IIS:\ -Name *)) {
                    # Mime type is not set
                    Return $False
                }
                # Mime Type is already set
                Return $True
            }
            DependsOn = '[xADCSWebEnrollment]ConfigWebEnrollment'
        }

        # Wait for the Root CA to have completed issuance of the certificate for this SubCA.
        WaitForAny SubCACer
        {
            ResourceName = "[Script]IssueCert_$($Node.NodeName)"
            NodeName = $Node.RootCAName
            RetryIntervalSec = 30
            RetryCount = 30
            DependsOn = "[Script]SetREQMimeType"
        }

        # Download the Certificate for this SubCA but rename it so that it'll match the name expected by the CA
        xRemoteFile DownloadSubCACERFile
        {
            DestinationPath = "C:\Windows\System32\CertSrv\CertEnroll\$($Node.NodeName)_$($Node.CACommonName).crt"
            Uri = "http://$($Node.RootCAName)/CertEnroll/$($Node.NodeName).crt"
            DependsOn = '[WaitForAny]SubCACer'
        }

        # Register the Sub CA Certificate with the Certification Authority
        Script RegisterSubCA
        {
            PSDSCRunAsCredential = $DomainAdminCredential
            SetScript = {
                Write-Verbose -Message "Registering the Sub CA Certificate with the Certification Authority C:\Windows\System32\CertSrv\CertEnroll\$($Using:Node.NodeName)_$($Using:Node.CACommonName).crt..."
                & "$($ENV:SystemRoot)\system32\certutil.exe" -installCert "C:\Windows\System32\CertSrv\CertEnroll\$($Using:Node.NodeName)_$($Using:Node.CACommonName).crt"
            }
            GetScript = {
                Return @{
                }
            }
            TestScript = {
                If (-not (Get-ChildItem 'HKLM:\System\CurrentControlSet\Services\CertSvc\Configuration').GetValue('CACertHash')) {
                    Write-Verbose -Message "Sub CA Certificate needs to be registered with the Certification Authority..."
                    Return $False
                }
                Return $True
            }
            DependsOn = '[xRemoteFile]DownloadSubCACERFile'
        }

        # Perform final configuration of the CA which will cause the CA service to startup
        # It should be able to start up once the SubCA certificate has been installed.
        Script ADCSAdvConfig
        {
            SetScript = {
                If ($Using:Node.CADistinguishedNameSuffix) {
                    & "$($ENV:SystemRoot)\system32\certutil.exe" -setreg CA\DSConfigDN "CN=Configuration,$($Using:Node.CADistinguishedNameSuffix)"
                    & "$($ENV:SystemRoot)\system32\certutil.exe" -setreg CA\DSDomainDN "$($Using:Node.CADistinguishedNameSuffix)"
                }
                If ($Using:Node.CRLPublicationURLs) {
                    & "$($ENV:SystemRoot)\System32\certutil.exe" -setreg CA\CRLPublicationURLs $($Using:Node.CRLPublicationURLs)
                }
                If ($Using:Node.CACertPublicationURLs) {
                    & "$($ENV:SystemRoot)\System32\certutil.exe" -setreg CA\CACertPublicationURLs $($Using:Node.CACertPublicationURLs)
                }
                Restart-Service -Name CertSvc
                Add-Content -Path 'c:\windows\setup\scripts\certutil.log' -Value "Certificate Service Restarted ..."
            }
            GetScript = {
                Return @{
                    'DSConfigDN' = (Get-ChildItem 'HKLM:\System\CurrentControlSet\Services\CertSvc\Configuration').GetValue('DSConfigDN');
                    'DSDomainDN' = (Get-ChildItem 'HKLM:\System\CurrentControlSet\Services\CertSvc\Configuration').GetValue('DSDomainDN');
                    'CRLPublicationURLs'  = (Get-ChildItem 'HKLM:\System\CurrentControlSet\Services\CertSvc\Configuration').GetValue('CRLPublicationURLs');
                    'CACertPublicationURLs'  = (Get-ChildItem 'HKLM:\System\CurrentControlSet\Services\CertSvc\Configuration').GetValue('CACertPublicationURLs')
                }
            }
            TestScript = {
                If (((Get-ChildItem 'HKLM:\System\CurrentControlSet\Services\CertSvc\Configuration').GetValue('DSConfigDN') -ne "CN=Configuration,$($Using:Node.CADistinguishedNameSuffix)")) {
                    Return $False
                }
                If (((Get-ChildItem 'HKLM:\System\CurrentControlSet\Services\CertSvc\Configuration').GetValue('DSDomainDN') -ne "$($Using:Node.CADistinguishedNameSuffix)")) {
                    Return $False
                }
                If (($Using:Node.CRLPublicationURLs) -and ((Get-ChildItem 'HKLM:\System\CurrentControlSet\Services\CertSvc\Configuration').GetValue('CRLPublicationURLs') -ne $Using:Node.CRLPublicationURLs)) {
                    Return $False
                }
                If (($Using:Node.CACertPublicationURLs) -and ((Get-ChildItem 'HKLM:\System\CurrentControlSet\Services\CertSvc\Configuration').GetValue('CACertPublicationURLs') -ne $Using:Node.CACertPublicationURLs)) {
                    Return $False
                }
                Return $True
            }
            DependsOn = '[Script]RegisterSubCA'
        }

        if ($Node.InstallOnlineResponder) {
            # Configure the Online Responder Feature
            xADCSOnlineResponder ConfigOnlineResponder {
                Ensure = 'Present'
                IsSingleInstance  = 'Yes'
                Credential = $LocalAdminCredential
                DependsOn = '[Script]ADCSAdvConfig'
            }

            # Enable Online Responder FireWall rules so we can remote manage Online Responder
            xFirewall OnlineResponderFirewall1
            {
                Name = "Microsoft-Windows-OnlineRevocationServices-OcspSvc-DCOM-In"
                Enabled = "True"
                DependsOn = "[xADCSOnlineResponder]ConfigOnlineResponder"
            }

            xFirewall OnlineResponderirewall2
            {
                Name = "Microsoft-Windows-CertificateServices-OcspSvc-RPC-TCP-In"
                Enabled = "True"
                DependsOn = "[xADCSOnlineResponder]ConfigOnlineResponder"
            }

            xFirewall OnlineResponderFirewall3
            {
                Name = "Microsoft-Windows-OnlineRevocationServices-OcspSvc-TCP-Out"
                Enabled = "True"
                DependsOn = "[xADCSOnlineResponder]ConfigOnlineResponder"
            }
        }
    }
}