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Merge pull request #1 from alvarsedano/crlchecking

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Crlchecking
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Alvaro Sedano 2019-07-21 14:14:23 +02:00 committed by GitHub
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1 changed files with 42 additions and 10 deletions
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52
pfSenseCertViewer.ps1
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@ -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 <empty>
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
$listaC | Select sIssuer, SerialNumber, FriendlyName, DnsNameList, sSubject, revokedOn | Group-Object -Property sIssuer, SerialNumber | Where-Object {$_.Count -gt 1} | Select -ExpandProperty Group | ft