functions/Get-DbaComputerCertificate.ps1
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function Get-DbaComputerCertificate { <# .SYNOPSIS Simplifies finding computer certificates that are candidates for using with SQL Server's network encryption .DESCRIPTION Gets computer certificates on localhost that are candidates for using with SQL Server's network encryption .PARAMETER ComputerName The target SQL Server - defaults to localhost. If target is a cluster, you must specify the distinct nodes. .PARAMETER Credential Allows you to login to $ComputerName using alternative credentials. .PARAMETER Store Certificate store - defaults to LocalMachine .PARAMETER Folder Certificate folder - defaults to My (Personal) .PARAMETER Thumbprint Return certificate based on thumbprint .PARAMETER Path The path to a certificate - basically changes the path into a certificate object .PARAMETER Silent Use this switch to disable any kind of verbose messages .NOTES Tags: Certificate Website: https://dbatools.io Copyright: (C) Chrissy LeMaire, clemaire@gmail.com License: GNU GPL v3 https://opensource.org/licenses/GPL-3.0 .EXAMPLE Get-DbaComputerCertificate Gets computer certificates on localhost that are candidates for using with SQL Server's network encryption .EXAMPLE Get-DbaComputerCertificate -ComputerName sql2016 Gets computer certificates on sql2016 that are candidates for using with SQL Server's network encryption .EXAMPLE Get-DbaComputerCertificate -ComputerName sql2016 -Thumbprint 8123472E32AB412ED4288888B83811DB8F504DED, 04BFF8B3679BB01A986E097868D8D494D70A46D6 Gets computer certificates on sql2016 that match thumbprints 8123472E32AB412ED4288888B83811DB8F504DED or 04BFF8B3679BB01A986E097868D8D494D70A46D6 #> [CmdletBinding()] param ( [parameter(ValueFromPipeline)] [Alias("ServerInstance", "SqlServer", "SqlInstance")] [DbaInstanceParameter[]]$ComputerName = $env:COMPUTERNAME, [PSCredential]$Credential, [string]$Store = "LocalMachine", [string]$Folder = "My", [string]$Path, [string[]]$Thumbprint, [switch]$Silent ) process { foreach ($computer in $computername) { $scriptblock = { $Thumbprint = $args[0] $Store = $args[1] $Folder = $args[2] $Path = $args[3] if ($Path) { $bytes = [System.IO.File]::ReadAllBytes($path) $Certificate = New-Object System.Security.Cryptography.X509Certificates.X509Certificate2 $Certificate.Import($bytes, $null, [System.Security.Cryptography.X509Certificates.X509KeyStorageFlags]::DefaultKeySet) return $Certificate } if ($Thumbprint) { try { Write-Verbose "Searching Cert:\$Store\$Folder" Get-ChildItem "Cert:\$Store\$Folder" -Recurse | Where-Object Thumbprint -in $args[0] } catch { # don't care - there's a weird issue with remoting where an exception gets thrown for no apparent reason } } else { try { # This used to be hostname only but that didn't support clusters Write-Verbose "Searching Cert:\$Store\$Folder" Get-ChildItem "Cert:\$Store\$Folder" -Recurse | Where-Object { $_.DnsNameList -match $env:USERDNSDOMAIN -and $_.EnhancedKeyUsageList -match '1\.3\.6\.1\.5\.5\.7\.3\.1' } } catch { # don't care } } } try { Invoke-Command2 -ComputerName $computer -Credential $Credential -ScriptBlock $scriptblock -ArgumentList $thumbprint, $Store, $Folder, $Path -ErrorAction Stop | Select-DefaultView -Property FriendlyName, DnsNameList, Thumbprint, NotBefore, NotAfter, Subject, Issuer } catch { Stop-Function -Message $_ -ErrorRecord $_ -Target $computer -Continue } } } } |