Prepare Azure P2S domain deployment

2026-09-08 15:32:07 -06:00
parent 991fc70600
commit a24c25a3fb
18 changed files with 1288 additions and 28 deletions
@@ -0,0 +1,123 @@
+#Requires -Version 5.1
+#Requires -RunAsAdministrator
+[CmdletBinding(SupportsShouldProcess)]
+param(
+    [Parameter(Mandatory)][string]$VpnProfilePackagePath,
+    [Parameter(Mandatory)][string]$ClientCertificatePfxPath,
+    [securestring]$ClientCertificatePfxPassword,
+    [Parameter(Mandatory)][string]$ClientRootCertificatePath,
+    [string]$ConnectionName = 'SGU Azure P2S',
+    [string[]]$AzureNetworkPrefixes = @('10.77.0.0/16'),
+    [ipaddress]$DomainControllerIPv4Address = '10.77.0.4',
+    [string]$DomainName = 'lci.lasalle.mx',
+    [switch]$Connect
+)
+
+$ErrorActionPreference = 'Stop'
+foreach ($path in @($VpnProfilePackagePath,$ClientCertificatePfxPath,$ClientRootCertificatePath)) {
+    if (-not (Test-Path -LiteralPath $path -PathType Leaf)) {
+        throw "Required P2S file not found: $path"
+    }
+}
+if (-not $ClientCertificatePfxPassword) {
+    $ClientCertificatePfxPassword = Read-Host 'Password protecting the P2S client PFX' -AsSecureString
+}
+
+$temporaryRoot = Join-Path $env:ProgramData ("SGU\AzureP2S\Import-" + [Guid]::NewGuid().ToString('N'))
+try {
+    Expand-Archive -LiteralPath $VpnProfilePackagePath -DestinationPath $temporaryRoot -Force
+    $vpnSettingsPath = Get-ChildItem -LiteralPath $temporaryRoot -Recurse -Filter VpnSettings.xml -File |
+        Select-Object -First 1 -ExpandProperty FullName
+    if (-not $vpnSettingsPath) {
+        throw 'The Azure package does not contain Generic\VpnSettings.xml. Generate it with IKEv2 enabled.'
+    }
+    [xml]$vpnSettings = Get-Content -LiteralPath $vpnSettingsPath -Raw
+    $vpnServerNode = $vpnSettings.SelectSingleNode('//*[local-name()="VpnServer"]')
+    if (-not $vpnServerNode -or [string]::IsNullOrWhiteSpace($vpnServerNode.InnerText)) {
+        throw 'VpnSettings.xml does not contain the Azure VPN gateway FQDN.'
+    }
+    $vpnServer = $vpnServerNode.InnerText.Trim()
+
+    $serverRootPath = Get-ChildItem -LiteralPath (Split-Path $vpnSettingsPath -Parent) `
+        -Filter VpnServerRoot.cer -File | Select-Object -First 1 -ExpandProperty FullName
+    if ($serverRootPath) {
+        Import-Certificate -FilePath $serverRootPath -CertStoreLocation Cert:\LocalMachine\Root | Out-Null
+    }
+    $clientRoot = Import-Certificate -FilePath $ClientRootCertificatePath `
+        -CertStoreLocation Cert:\LocalMachine\Root | Select-Object -First 1
+    $clientCertificates = @(Import-PfxCertificate -FilePath $ClientCertificatePfxPath `
+        -Password $ClientCertificatePfxPassword -CertStoreLocation Cert:\LocalMachine\My)
+    $clientCertificate = $clientCertificates |
+        Where-Object {
+            $_.HasPrivateKey -and
+            $_.NotAfter -gt (Get-Date) -and
+            @($_.EnhancedKeyUsageList | ForEach-Object ObjectId) -contains '1.3.6.1.5.5.7.3.2'
+        } |
+        Sort-Object NotAfter -Descending |
+        Select-Object -First 1
+    if (-not $clientCertificate) {
+        throw 'The imported PFX does not contain a valid Client Authentication certificate with a private key.'
+    }
+
+    if ($PSCmdlet.ShouldProcess($ConnectionName, 'Install an all-user IKEv2 Azure P2S connection using a machine certificate')) {
+        $existingConnection = Get-VpnConnection -Name $ConnectionName -AllUserConnection `
+            -ErrorAction SilentlyContinue
+        if ($existingConnection) {
+            Remove-VpnConnection -Name $ConnectionName -AllUserConnection -Force
+        }
+        Add-VpnConnection `
+            -Name $ConnectionName `
+            -ServerAddress $vpnServer `
+            -TunnelType Ikev2 `
+            -AuthenticationMethod MachineCertificate `
+            -MachineCertificateIssuerFilter $clientRoot `
+            -MachineCertificateEKUFilter '1.3.6.1.5.5.7.3.2' `
+            -EncryptionLevel Required `
+            -SplitTunneling `
+            -AllUserConnection `
+            -DnsSuffix $DomainName `
+            -Force | Out-Null
+        foreach ($prefix in $AzureNetworkPrefixes) {
+            Add-VpnConnectionRoute -ConnectionName $ConnectionName `
+                -DestinationPrefix $prefix -AllUserConnection -PassThru | Out-Null
+        }
+
+        $nrptDisplayName = "SGU Azure P2S DNS - $DomainName"
+        Get-DnsClientNrptRule -ErrorAction SilentlyContinue |
+            Where-Object DisplayName -eq $nrptDisplayName |
+            Remove-DnsClientNrptRule -Force
+        Add-DnsClientNrptRule `
+            -Namespace ".$DomainName" `
+            -NameServers $DomainControllerIPv4Address.IPAddressToString `
+            -DisplayName $nrptDisplayName `
+            -Comment 'Managed by SGU Azure P2S bootstrap; routes only the AD namespace to the domain controller.' | Out-Null
+    }
+
+    if ($Connect) {
+        & "$env:SystemRoot\System32\rasdial.exe" $ConnectionName
+        if ($LASTEXITCODE -ne 0) {
+            throw "Windows could not connect $ConnectionName. Verify UDP 500/4500 (IKEv2) or use the Azure-generated SSTP profile when the local network blocks IKEv2."
+        }
+    }
+
+    $connection = Get-VpnConnection -Name $ConnectionName -AllUserConnection
+    [pscustomobject]@{
+        ConnectionName = $connection.Name
+        ServerAddress = $connection.ServerAddress
+        TunnelType = $connection.TunnelType
+        AllUserConnection = $true
+        AuthenticationMethod = $connection.AuthenticationMethod
+        ConnectionStatus = $connection.ConnectionStatus
+        ClientCertificateThumbprint = $clientCertificate.Thumbprint
+        DomainControllerIPv4Address = $DomainControllerIPv4Address.IPAddressToString
+        DomainDnsNamespace = ".$DomainName"
+        AzureNetworkPrefixes = $AzureNetworkPrefixes
+        AvailableBeforeLogon = $true
+    }
+}
+finally {
+    $ClientCertificatePfxPassword = $null
+    if (Test-Path -LiteralPath $temporaryRoot) {
+        Remove-Item -LiteralPath $temporaryRoot -Recurse -Force -ErrorAction SilentlyContinue
+    }
+}