Retrieve NetScaler SSL vServer Bindings information

Retrieve NetScaler SSL vServer Binding information, using the Invoke-RestMethod cmdlet for the REST API calls.

Version: 1.0.1
Created: 2018-07-18T11:21:32.783
Modified: 2018-07-18T11:21:32.783
Creator: Esther Barthel, MSc
Downloads: 86
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function Get-NSSSLBindingInfo {
<# .SYNOPSIS Retrieve NetScaler SSL vServer Bindings information. .DESCRIPTION Retrieve NetScaler SSL vServer Binding information, using the Invoke-RestMethod cmdlet for the REST API calls. .NOTES Version: 0.2 Author: Esther Barthel, MSc Creation Date: 2018-02-19 Updated: 2018-06-23 Updated binding information retrieved Added SSL Profile binding Purpose: SBA, created for ControlUp NetScaler Monitoring Copyright (c) cognition IT. All rights reserved. #>

[CmdletBinding()]
Param(
# Declaring the input parameters, provided for the SBA
[Parameter(Position=0, Mandatory=$true, ValueFromPipeline=$true)]
[string]
$NSIP,

[Parameter(Position=1, Mandatory=$false, ValueFromPipeline=$True)]
[string]
$vServerName,

[Parameter(Position=2, Mandatory=$true, ValueFromPipeline=$true)]
[string]
$NSUserName,

[Parameter(Position=3, Mandatory=$true, ValueFromPipeline=$true)]
[string]
$NSUserPW
)

#region NITRO settings
# NITRO Constants
$ContentType = “application/json”
#endregion NITRO settings

# Ensure Debug information is shown, without the confirmation question after each Write-Debug
If ($PSBoundParameters[‘Debug’]) {$DebugPreference = ‘Continue’}

Write-Output “——————————————————————- ”
Write-Output “| Retrieving SSL vServer binding information from the NetScaler: | ”
Write-Output “——————————————————————- ”
Write-Output “”

# —————————————-
# | Method #1: Using the SessionVariable |
# —————————————-
#region Start NetScaler NITRO Session
#Force PowerShell to bypass the CRL check for certificates and SSL connections
Write-Verbose “Forcing PowerShell to trust all certificates (including the self-signed netScaler certificate)”
# source: https://blogs.technet.microsoft.com/bshukla/2010/04/12/ignoring-ssl-trust-in-powershell-system-net-webclient/
[System.Net.ServicePointManager]::ServerCertificateValidationCallback = {$true}

#Connect to NetScaler VPX/MPX
$Login = ConvertTo-Json @{“login” = @{“username”=$NSUserName;”password”=$NSUserPW}}
try
{
$loginresponse = Invoke-RestMethod -Uri “https://$NSIP/nitro/v1/config/login” -Body $Login -Method POST -SessionVariable NetScalerSession -ContentType $ContentType -Verbose:$VerbosePreference -ErrorAction SilentlyContinue
}
Catch [System.Net.WebException]
{
Write-Error (“A [” + $_.Exception.GetType().FullName + “] ERROR occurred. ” + $_.Exception.Message)
Break
}
Catch [System.Management.Automation.ParameterBindingException]
{
Write-Error (“A parameter binding ERROR occurred. Please provide the correct NetScaler IP-address. ” + $_.Exception.Message)
Break
}
Catch
{
Write-Error (“A [” + $_.Exception.GetType().FullName + “] ERROR occurred. ” + $_.Exception.Message)
# echo $_.Exception | Format-List -Force
Break
}
Finally
{
If ($loginresponse.errorcode -eq 0)
{
Write-Verbose “REST API call to login to NS: successful”
}
}
#endregion Start NetScaler NITRO Session

# ———————————–
# | SSL vServer Bindings statistics |
# ———————————–
#region Get SSL vServer Bindings
# Base URL
$strURI = “https://$NSIP/nitro/v1/config/sslvserver_binding”

# Specify the required full URL, including filters and arguments
$strArgs = “”
If ($vServerName)
{
# Add vServer name to URI
Write-Verbose (“Added the vServer name “”” + $vServerName + “”” to the URI”)
$strArgs = (“/” + $vServerName)
}
Else
{
Write-Verbose (“Added the bulkbindings argument to the URI as no vServer was specified”)
$strArgs = “?bulkbindings=yes”
}
$strURI = $strURI + $strArgs

# Method #1: Making the REST API call to the NetScaler
try
{
# start with clean response variable
$response = $null
$response = Invoke-RestMethod -Method Get -Uri $strURI -ContentType $ContentType -WebSession $NetScalerSession -Verbose:$VerbosePreference -ErrorAction SilentlyContinue
}
catch
{
Write-Error (“An error (” + $_.Exception.GetType().FullName + “) occurred, with message: ” + $_.Exception.Message)
If ($DebugPreference -eq “Continue”)
{
Write-Debug “Error full details: ”
echo $_.Exception | Format-List -Force
}
}
Finally
{
If ($response.errorcode -eq 0)
{
Write-Verbose “REST API call to retrieve information: successful”
If ($response.sslvserver_binding)
{
#$response.sslvserver_binding | Format-List

If (!($response.sslvserver_binding.sslvserver_sslpolicy_binding.vservername -eq $null))
{
Write-Output “”
Write-Host “* vServer SSL policy bindings:” -ForegroundColor Yellow
#$response.sslvserver_binding.sslvserver_sslpolicy_binding | Format-List
$response.sslvserver_binding.sslvserver_sslpolicy_binding | Select-Object @{N=’VS name’; E={$_.vservername}},
@{N=’Policy name’; E={$_.policyname}},
@{N=’Priority’; E={$_.priority}},
@{N=’Type’; E={$_.type}},
@{N=’Policy inherit’; E={$_.polinherit}},
@{N=’GoToPriority Expression’; E={$_.gotopriorityexpression}},
@{N=’Invoke’; E={$_.invoke}},
@{N=’Label type’; E={$_.labeltype}},
@{N=’Label name’; E={$_.labelname}} | Format-Table -AutoSize
}
#>
If (!($response.sslvserver_binding.sslvserver_sslcertkey_binding.vservername -eq $null))
{
Write-Output “”
Write-Host “* vServer SSL certkey bindings:” -ForegroundColor Yellow
# $response.sslvserver_binding.sslvserver_sslcertkey_binding | Format-List
$response.sslvserver_binding.sslvserver_sslcertkey_binding | Select-Object @{N=’VS name’; E={$_.vservername}},
@{N=’Certificate KeyPair name’; E={$_.certkeyname}},
#@{N=’CRL check’; E={$_.crlcheck}},
#@{N=’OCSP check’; E={$_.ocspcheck}},
#@{N=’Cleartext port’; E={$_.cleartextport}},
@{N=’CA certificate’; E={$_.ca}},
@{N=’SNI certificate’; E={$_.snicert}},
@{N=’Skip CA name’; E={$_.skipcaname}} | Format-Table -AutoSize
}
#>
If (!($response.sslvserver_binding.sslvserver_sslciphersuite_binding.vservername -eq $null))
{
Write-Output “”
Write-Host “* vServer SSL Cipher suite bindings:” -ForegroundColor Yellow
#$response.sslvserver_binding.sslvserver_sslciphersuite_binding | Format-List
$response.sslvserver_binding.sslvserver_sslciphersuite_binding | Select-Object @{N=’VS name’; E={$_.vservername}},
@{N=’Cipher name’; E={$_.ciphername}},
@{N=’Description’; E={$_.description}} | Format-Table -AutoSize
}

If (!($response.sslvserver_binding.sslvserver_ecccurve_binding.vservername -eq $null))
{
Write-Output “”
Write-Host “* vServer SSL ECC Curve bindings:” -ForegroundColor Yellow
#$response.sslvserver_binding.sslvserver_ecccurve_binding | Format-List
$response.sslvserver_binding.sslvserver_ecccurve_binding | Select-Object @{N=’VS name’; E={$_.vservername}},
@{N=’ECC curve name’; E={$_.ecccurvename}} | Format-Table -AutoSize
}
}
Else
{
Write-Warning “No vServer binding information was found”
}
}
Else
{
If ($response -eq $null)
{
Write-Warning “No information was returned by NITRO”
}
Else
{
Write-Warning “NITRO returned an error.”
Write-Debug (“code: “”” + $response.errorcode + “””, message “”” + $response.message + “”””)
}
}
}
#endregion

#region End NetScaler NITRO Session
#Disconnect from the NetScaler VPX
$LogOut = @{“logout” = @{}} | ConvertTo-Json
$dummy = Invoke-RestMethod -Uri “https://$NSIP/nitro/v1/config/logout” -Body $LogOut -Method POST -ContentType $ContentType -WebSession $NetScalerSession -Verbose:$VerbosePreference -ErrorAction SilentlyContinue
#endregion End NetScaler NITRO Session
}

# Altering the size of the PS Buffer
$PSWindow = (Get-Host).UI.RawUI
$WideDimensions = $PSWindow.BufferSize
$WideDimensions.Width = 400
$PSWindow.BufferSize = $WideDimensions

try {
Get-NSSSLBindingInfo -NSIP $args[0] -NSUserName $args[1] -NSUserPW $args[2]
}
catch [System.Management.Automation.ParameterBindingException] {
Write-Error “Couldn’t bind parameter exception, Please make sure to provide all necessary parameters”
}

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