# Configure a Windows host for remote management with Ansible # ----------------------------------------------------------- # # This script checks the current WinRM/PSRemoting configuration and makes the # necessary changes to allow Ansible to connect, authenticate and execute # PowerShell commands. # # Set $VerbosePreference = "Continue" before running the script in order to # see the output messages. # # Written by Trond Hindenes # Updated by Chris Church # # Version 1.0 - July 6th, 2014 # Version 1.1 - November 11th, 2014 Param ( [string]$SubjectName = $env:COMPUTERNAME, [int]$CertValidityDays = 365, $CreateSelfSignedCert = $true ) Function New-LegacySelfSignedCert { Param ( [string]$SubjectName, [int]$ValidDays = 365 ) $name = New-Object -COM "X509Enrollment.CX500DistinguishedName.1" $name.Encode("CN=$SubjectName", 0) $key = New-Object -COM "X509Enrollment.CX509PrivateKey.1" $key.ProviderName = "Microsoft RSA SChannel Cryptographic Provider" $key.KeySpec = 1 $key.Length = 1024 $key.SecurityDescriptor = "D:PAI(A;;0xd01f01ff;;;SY)(A;;0xd01f01ff;;;BA)(A;;0x80120089;;;NS)" $key.MachineContext = 1 $key.Create() $serverauthoid = New-Object -COM "X509Enrollment.CObjectId.1" $serverauthoid.InitializeFromValue("1.3.6.1.5.5.7.3.1") $ekuoids = New-Object -COM "X509Enrollment.CObjectIds.1" $ekuoids.Add($serverauthoid) $ekuext = New-Object -COM "X509Enrollment.CX509ExtensionEnhancedKeyUsage.1" $ekuext.InitializeEncode($ekuoids) $cert = New-Object -COM "X509Enrollment.CX509CertificateRequestCertificate.1" $cert.InitializeFromPrivateKey(2, $key, "") $cert.Subject = $name $cert.Issuer = $cert.Subject $cert.NotBefore = (Get-Date).AddDays(-1) $cert.NotAfter = $cert.NotBefore.AddDays($ValidDays) $cert.X509Extensions.Add($ekuext) $cert.Encode() $enrollment = New-Object -COM "X509Enrollment.CX509Enrollment.1" $enrollment.InitializeFromRequest($cert) $certdata = $enrollment.CreateRequest(0) $enrollment.InstallResponse(2, $certdata, 0, "") # Return the thumbprint of the last installed cert. Get-ChildItem "Cert:\LocalMachine\my"| Sort-Object NotBefore -Descending | Select -First 1 | Select -Expand Thumbprint } # Setup error handling. Trap { $_ Exit 1 } $ErrorActionPreference = "Stop" # Detect PowerShell version. If ($PSVersionTable.PSVersion.Major -lt 3) { Throw "PowerShell version 3 or higher is required." } # Find and start the WinRM service. Write-Verbose "Verifying WinRM service." If (!(Get-Service "WinRM")) { Throw "Unable to find the WinRM service." } ElseIf ((Get-Service "WinRM").Status -ne "Running") { Write-Verbose "Starting WinRM service." Start-Service -Name "WinRM" -ErrorAction Stop } # WinRM should be running; check that we have a PS session config. If (!(Get-PSSessionConfiguration -Verbose:$false) -or (!(Get-ChildItem WSMan:\localhost\Listener))) { Write-Verbose "Enabling PS Remoting." Enable-PSRemoting -Force -ErrorAction Stop } Else { Write-Verbose "PS Remoting is already enabled." } # Test a remoting connection to localhost, which should work. $httpResult = Invoke-Command -ComputerName "localhost" -ScriptBlock {$env:COMPUTERNAME} -ErrorVariable httpError -ErrorAction SilentlyContinue $httpsOptions = New-PSSessionOption -SkipCACheck -SkipCNCheck -SkipRevocationCheck $httpsResult = New-PSSession -UseSSL -ComputerName "localhost" -SessionOption $httpsOptions -ErrorVariable httpsError -ErrorAction SilentlyContinue If ($httpResult -and $httpsResult) { Write-Verbose "HTTP and HTTPS sessions are enabled." } ElseIf ($httpsResult -and !$httpResult) { Write-Verbose "HTTP sessions are disabled, HTTPS session are enabled." } ElseIf ($httpResult -and !$httpsResult) { Write-Verbose "HTTPS sessions are disabled, HTTP session are enabled." } Else { Throw "Unable to establish an HTTP or HTTPS remoting session." } # Make sure there is a SSL listener. $listeners = Get-ChildItem WSMan:\localhost\Listener If (!($listeners | Where {$_.Keys -like "TRANSPORT=HTTPS"})) { # HTTPS-based endpoint does not exist. If (Get-Command "New-SelfSignedCertificate" -ErrorAction SilentlyContinue) { $cert = New-SelfSignedCertificate -DnsName $env:COMPUTERNAME -CertStoreLocation "Cert:\LocalMachine\My" $thumbprint = $cert.Thumbprint } Else { $thumbprint = New-LegacySelfSignedCert -SubjectName $env:COMPUTERNAME } # Create the hashtables of settings to be used. $valueset = @{} $valueset.Add('Hostname', $env:COMPUTERNAME) $valueset.Add('CertificateThumbprint', $thumbprint) $selectorset = @{} $selectorset.Add('Transport', 'HTTPS') $selectorset.Add('Address', '*') Write-Verbose "Enabling SSL listener." New-WSManInstance -ResourceURI 'winrm/config/Listener' -SelectorSet $selectorset -ValueSet $valueset } Else { Write-Verbose "SSL listener is already active." } # Check for basic authentication. $basicAuthSetting = Get-ChildItem WSMan:\localhost\Service\Auth | Where {$_.Name -eq "Basic"} If (($basicAuthSetting.Value) -eq $false) { Write-Verbose "Enabling basic auth support." Set-Item -Path "WSMan:\localhost\Service\Auth\Basic" -Value $true } Else { Write-Verbose "Basic auth is already enabled." } # Configure firewall to allow WinRM HTTPS connections. $fwtest1 = netsh advfirewall firewall show rule name="Allow WinRM HTTPS" $fwtest2 = netsh advfirewall firewall show rule name="Allow WinRM HTTPS" profile=any If ($fwtest1.count -lt 5) { Write-Verbose "Adding firewall rule to allow WinRM HTTPS." netsh advfirewall firewall add rule profile=any name="Allow WinRM HTTPS" dir=in localport=5986 protocol=TCP action=allow } ElseIf (($fwtest1.count -ge 5) -and ($fwtest2.count -lt 5)) { Write-Verbose "Updating firewall rule to allow WinRM HTTPS for any profile." netsh advfirewall firewall set rule name="Allow WinRM HTTPS" new profile=any } Else { Write-Verbose "Firewall rule already exists to allow WinRM HTTPS." } Write-Verbose "PS Remoting has been successfully configured for Ansible."