diff --git a/pfSenseCertViewer.ps1 b/pfSenseCertViewer.ps1 index e50ff59..6d60796 100644 --- a/pfSenseCertViewer.ps1 +++ b/pfSenseCertViewer.ps1 @@ -1,11 +1,12 @@ #### ### Extracting pfSense Certificates (without private key) #### -# Redefine the $cfg string variable to point to a valid unencrypted pfSense Configuration XML file -# The script will return the CA, Server, User and Duplicated Serial Number Certificates +# Redefine the $cfg string variable to point to a valid unecripted pfSense Configuration XML file +# The script will return the CA certificates, Server certificates, User certificated (used or not used) and duplicate Serial Number Certificates # # Tested on PowerShell 5 and avobe # Created by Alvaro Sedano Galindo. al_sedano@hotmail.com +# Function Get-CN { Param([Parameter(Mandatory=$true)][string]$name) @@ -21,25 +22,56 @@ Function Add-Lista { [string]$oidCLI = '1.3.6.1.5.5.7.3.2' [string]$oidSRV = '1.3.6.1.5.5.7.3.1' + [array]$revs = $listaR | Select -ExpandProperty refid -Unique [System.Security.Cryptography.X509Certificates.X509Certificate2]$ccc = $null foreach($c in $obj.Value) { $ccc = [System.Security.Cryptography.X509Certificates.X509Certificate2]::new([System.Convert]::FromBase64String($c.crt)) - $ccc.FriendlyName = "[$($c.refid)] $($c.descr.'#cdata-section')" - $lista.Value += $ccc | Select *, @{N='IsCA';E={$fromCA}} ` + $ccc.FriendlyName = $c.descr.'#cdata-section' + $objTmp = $ccc | Select *, @{N='IsCA';E={$fromCA}} ` , @{N='IsServer';E={-not $fromCA -and $_.EnhancedKeyUsageList.ObjectId -contains $oidSRV}} ` , @{N='IsClient';E={-not $fromCA -and $_.EnhancedKeyUsageList.ObjectId -contains $oidCLI}} ` - , @{N='sIssuer';E={Get-CN($_.Issuer)}}, @{N='sSubject';E={Get-CN($_.Subject)}} + , @{N='sIssuer';E={Get-CN($_.Issuer)}}, @{N='sSubject';E={Get-CN($_.Subject)}} ` + , @{N='refid'; E={$c.refid}} ` + , @{N='isRevoked'; E={-not $fromCA -and $c.refid -in $revs}} ` + , @{N='revokedOn'; Expression={$null}} ` + + if ($objTmp.isRevoked) { + [string[]]$strRev = @() + foreach($d in $listaR) { + if ($d.refid -eq $c.refid) { + $strRev += [string]($d.listRev) + } + } + $objTmp.revokedOn = $strRev + } + $lista.Value += $objTmp } } + +#$CRL = New-Object -ComObject "X509Enrollment.CX509CertificateRevocationList" +#$CRLContents = [System.Convert]::ToBase64String((Get-Content "C:\Users\ASG\Downloads\revocados.crl" -Encoding Byte)) +#[System.Security.Cryptography.X509Certificates.X509CRL2]$ccc = $null + +#https://msdnshared.blob.core.windows.net/media/2016/04/CRLFreshCheck.psm1_.txt + # # BODY # #Read XML pfSense config file -[string]$cfg = "$env:USERPROFILE\Downloads\config-pfSense01.private.xml" +[string]$cfg = "$env:USERPROFILE\Downloads\config-pfSense01.casi.es.private.xml" +#[string]$cfg = "C:\Users\ASG\Downloads\config-e.tecnube.es-20190630223501.xml" [xml]$aaa = Get-Content $cfg -Encoding Default +#Get the CRL revocation list +[DateTime]$time0 = '1970-01-01' +#[array]$listaR = $aaa.pfsense.crl.cert | Select caref, refid, reason, @{N='revDate';E={$o.AddSeconds($_.revoke_time)}} +[array]$listaR = @() +foreach($r in $aaa.pfsense.crl) { + $listaR += $r.cert | Select @{N='listRev';E={$r.descr.'#cdata-section'}}, caref, refid, reason, @{N='revDate';E={$time0.AddSeconds($_.revoke_time)}} +} + #Add CA Certificates to $listaC (WITHOUT private keys) [array]$listaC = @() Add-Lista -lista ([ref]$listaC) -obj ([ref]$aaa.pfsense.ca) -fromCA $true @@ -48,7 +80,7 @@ Add-Lista -lista ([ref]$listaC) -obj ([ref]$aaa.pfsense.ca) -fromCA $true Add-Lista -lista ([ref]$listaC) -obj ([ref]$aaa.pfsense.cert) -fromCA $false #Note: User Certificates created with old pfSense versions can set the EnhancedKeyUsageList property to -Remove-Variable aaa +Remove-Variable aaa, r #List of CA Certificates Write-Output "`nCA Certificates" @@ -56,12 +88,12 @@ $listaC | Where-Object {$_.isCA} | Select sIssuer, SerialNumber, FriendlyName, D #List of Server Certificates Write-Output "`nServer Certificates" -$listaC | Where-Object {$_.isServer} | Select sIssuer, SerialNumber, FriendlyName, DnsNameList, sSubject | Sort-Object -Property sIssuer, SerialNumber | ft +$listaC | Where-Object {$_.isServer} | Select sIssuer, SerialNumber, FriendlyName, DnsNameList, sSubject, revokedOn | Sort-Object -Property sIssuer, SerialNumber | ft #List of User Certificates (not CA and not Server) Write-Output "`nUser Certificates" -$listaC | Where-Object {-not ($_.isCA -or $_.isServer)} | Select sIssuer, SerialNumber, FriendlyName, DnsNameList, sSubject | Sort-Object -Property sIssuer, SerialNumber | ft +$listaC | Where-Object {-not ($_.isCA -or $_.isServer)} | Select sIssuer, SerialNumber, FriendlyName, DnsNameList, sSubject, revokedOn | Sort-Object -Property sIssuer, SerialNumber | ft #List of Dupicated SerialNumbers (per CA) Write-Output "`nDuplicated Serial Numbers (per CA)" -$listaC | Select sIssuer, SerialNumber, FriendlyName, DnsNameList, sSubject | Group-Object -Property sIssuer, SerialNumber | Where-Object {$_.Count -gt 1} | Select -ExpandProperty Group | ft \ No newline at end of file +$listaC | Select sIssuer, SerialNumber, FriendlyName, DnsNameList, sSubject, revokedOn | Group-Object -Property sIssuer, SerialNumber | Where-Object {$_.Count -gt 1} | Select -ExpandProperty Group | ft