MACVendors.psm1
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# # # MACVendors lookup # # $ErrorActionPreference = 'Stop' # # Module functions # Function Get-MACVendorInfo { <# .SYNOPSIS MAC address vendor lookup .DESCRIPTION MAC address vendor lookup .PARAMETER MAC The MAC address to lookup .PARAMETER Offline This switch will get the vendor information after downloading the database to the local machine .EXAMPLE Get-MACVendorInfo -MAC 00:00:0C:00:00:00 .EXAMPLE Get-MACVendorInfo -MAC 00:00:0C:00:00:00 -Offline .NOTES Internet connection required The separators can be ':', '-' or '.' 00:00:0C:00:00:00 00-00-0C-00-00-00 00.00.0C.00.00.00 The offline results do not include Company address, Country and Type .LINK N/A #> [CmdletBinding ()] Param ( [Parameter (Mandatory = $True, ValueFromPipeline = $True, ValueFromPipelineByPropertyName = $True, HelpMessage = 'Enter MAC address' ) ] [String[]]$MAC, [Switch]$Offline ) BEGIN { Function Show-Data { [PSCustomObject]@{ MAC = $MACEntry Company = $Results.Result.Company Address = $Results.Result.Address Country = $Results.Result.Country MAC_Prefix = $Results.Result.MAC_Prefix Start_Hex = $Results.Result.Start_Hex End_Hex = $Results.Result.End_Hex Type = $Results.Result.Type Status = $Status } } } PROCESS { ForEach ($MACEntry In $MAC) { $Results = @{} Try { If ($MACEntry -notmatch '^([0-9A-F]{2}[:.-]){5}([0-9A-F]{2})$') { $Status = 'Invalid MAC address or not formatted properly' Show-Data Continue } If ($Offline) { If ((Test-Path -Path $env:TEMP\VendorMACS.xml) -eq $False) { Update-MACVendorOfflineDatabase } $TempMACEntry = ($MACEntry -replace '-', ':').Replace('.', ':') [xml]$Doc = Get-Content $env:TEMP\VendorMACS.xml $Prefix = $Doc.MacAddressVendorMappings.VendorMapping.MAC_Prefix $VendorName = $Doc.MacAddressVendorMappings.VendorMapping.Vendor_Name $Index = 0 ForEach ($PrefixEntry In $Prefix) { If ($PrefixEntry -eq $TempMACEntry.Substring(0, $PrefixEntry.Length) -and $VendorName[$Index] -notlike 'IEEE*') { $StartHex = ($PrefixEntry -replace ':', '') + '000000' $EndHex = ($PrefixEntry -replace ':', '') + 'FFFFFF' [PSCustomObject]@{ MAC = $MACEntry Company = $VendorName.Get($Index) MAC_Prefix = $PrefixEntry Start_Hex = $StartHex.Substring(0, 12) End_Hex = $EndHex.Substring(0, 12) } } $Index++ } } Else { $Results = Invoke-WebRequest -Uri "http://macvendors.co/api/$MACEntry" | ConvertFrom-Json $Status = 'Ok' Show-Data } } Catch { $Status = $PSItem.Exception.Message Show-Data } } } END {} } Function Get-MACVendorInfoByCompanyName { <# .SYNOPSIS Get the MAC prefixes and ranges by Company Name .DESCRIPTION Get the MAC prefixes and ranges by Company Name .PARAMETER CompanyName .EXAMPLE Exact match Get-MACVendorInfoByCompanyName -CompanyName Cablevision .EXAMPLE Exact match Get-MACVendorInfoByCompanyName -CompanyName Cablevision, Microsoft .EXAMPLE Using wildcard Get-MACVendorInfoByCompanyName -CompanyName Intel* .EXAMPLE Using wildcard and exact match Get-MACVendorInfoByCompanyName -CompanyName Intel*, Microsoft .NOTES .LINK N/A #> [CmdletBinding ()] Param ( [Parameter (Mandatory = $True, ValueFromPipeline = $True, ValueFromPipelineByPropertyName = $True, HelpMessage = 'Enter Company Name' ) ] [String[]]$CompanyName ) BEGIN { If ((Test-Path -Path $env:TEMP\VendorMACS.xml) -eq $False) { Update-MACVendorOfflineDatabase } [xml]$Doc = Get-Content $env:TEMP\VendorMACS.xml $Prefix = $Doc.MacAddressVendorMappings.VendorMapping.MAC_Prefix $VendorName = $Doc.MacAddressVendorMappings.VendorMapping.Vendor_Name Function Show-Data { $StartHex = ($Prefix[$Index] -replace ':', '') + '000000' $EndHex = ($Prefix[$Index] -replace ':', '') + 'FFFFFF' [PSCustomObject]@{ Company = $VendorEntry MAC_Prefix = $Prefix[$Index] Start_Hex = $StartHex.Substring(0, 12) End_Hex = $EndHex.Substring(0, 12) } } } PROCESS { ForEach ($CompanyEntry In $CompanyName) { $Index = 0 If ($CompanyEntry.Contains('*')) { ForEach ($VendorEntry In $VendorName) { If ($VendorEntry -like $CompanyEntry) { Show-Data } $Index++ } } Else { ForEach ($VendorEntry In $VendorName) { If ($VendorEntry -eq $CompanyEntry) { Show-Data } $Index++ } } } } END {} } Function Update-MACVendorOfflineDatabase { <# .SYNOPSIS Download the MAC vendors database .DESCRIPTION Download the MAC vendors database .PARAMETER .EXAMPLE Update-MACVendorOfflineDatabase .NOTES .LINK N/A #> [CmdletBinding ()] Param () BEGIN {} PROCESS { Try { Invoke-WebRequest -Uri http://macvendors.co/vendormacs/download -OutFile $env:TEMP\VendorMACS.xml } Catch { Write-Warning -Message $PSItem.Exception.Message } } END {} } |