IntegrisPowerShell

2.0.33

Public/Network/Test-DHCPRequest.ps1

                                FUNCTION Test-DHCPRequest {

    [CmdletBinding()]

    PARAM ( 

        [INT]$Timeout = 15,

        [SWITCH]$Raw    

    )

    $ReturnResults = @()

    $ResultsSplit = @()

    $ResultsString = ""

    $AppDownloadLink = "https://integristech-my.sharepoint.com/:u:/g/personal/david_mcvicker_integrisit_com/ERuMHiTOWuZLlBsLpHU6uIABErsh9AyhbeT2dNHAppKzcA?Download=1"

    $AppPath = "C:\Program Files\IntegrisPowerShell\Utilities\DHCPTest\dhcptest-0.9-win64.exe"

    IF (Test-IntegrisFileDependency $AppDownloadLink -RootPath "$ModuleUtilityDir\DHCPTest" -ChildPath "\dhcptest-0.9-win64.exe" -Force) {

        $Results = & "$AppPath" --query --wait --quiet --timeout $Timeout

        FOREACH ($Result in $Results) { $ResultsString += $Result + [Environment]::NewLine }

        $ResultsSplit = @()

        $ResultsSplit = @($ResultsString -split "op=BOOTREPLY")

        $ResultsSplit = @($ResultsSplit | Where-Object { $_ -ne "" -and $_ -ne " " -and $_ -ne "  " -and $_ -ne "   " -and $_ -ne $null })

        $Count = 0 

        FOREACH ($Item in $ResultsSplit) { 

            $ResultsSplit[$Count] = "  op=BOOTREPLY" + $Item

            $Count++

        }

        IF ($Raw) {

            RETURN $ResultsSplit

        }

        FOREACH ($Item in $ResultsSplit) { 

            $Item = $Item.Replace("       ","") 

            $Item = $Item.Replace("      ","") 

            $Item = $Item.Replace("     ","") 

            $Item = $Item.Replace("    ","") 

            $Item = $Item.Replace("   ","") 

            $Item = $Item.Replace("  ","") 

            TRY { $MessageType = (($Item -split [Environment]::NewLine | Select-String "DHCP Message Type") -split " ")[4] } CATCH { $MessageType = $null } 

            TRY { $DHCPServer = (($Item -split [Environment]::NewLine | Select-String "Server Identifier") -split " ")[3] } CATCH { $DHCPServer = $null } 

            TRY { $IP = ((($Item -split [Environment]::NewLine | Select-String "yiaddr") -split "=")[2] -split " ")[0] } CATCH { $IP = $null } 

            TRY { $SubnetMask = (($Item -split [Environment]::NewLine | Select-String "subnet mask") -split " ")[3] } CATCH { $SubnetMask = $null } 

            TRY { $Gateway = (($Item -split [Environment]::NewLine | Select-String "router option") -split " ")[3] } CATCH { $Gateway = $null } 

            TRY { $DNSServer = (((($Item -split [Environment]::NewLine | Select-String "domain name server") -split ":")[1]).Replace(" ","")) -split "," } CATCH { $DNSServer = $null } 

            TRY { $LeaseTime = (($Item -split [Environment]::NewLine | Select-String "Lease") -split " ")[5] } CATCH { $LeaseTime = $null } 

            $ReturnResults += [PSCustomObject]@{

                PSTypeName = 'IntegrisPowerShell.TestDHCPRequest'

                MessageType = $MessageType

                DHCPServer = $DHCPServer

                IP = $IP

                SubnetMask = $SubnetMask       

                Gateway = $Gateway

                DNSServer = $DNSServer

                LeaseTime = $LeaseTime

            }

        }

        RETURN $ReturnResults

    }

    ELSE { 

        Write-Warning "DHCPtest exe not found. Please confirm security apps are not blocking the download and try again." 

        RETURN $null

    }

}