WSL Network Adapter Mapper

wslnetmapper.ps1

# https://gist.github.com/anonhostpi/fe3c88c8371b0a495ff39942d8aeadac

function global:Get-WSLNetMapping {
    # Notify user if Mirroring Mode is not enabled

    param(
        [Alias("d")]
        $Distribution
    )

    & {
        Try { 
            $wslconfig = Resolve-Path "$env:UserProfile\.wslconfig" -ErrorAction SilentlyContinue 
            if( $wslconfig ){
            } Else {
                throw
            }

            $wslconfig = $wslconfig | Get-Content

            if( $wslconfig | Select-String "networkingMode=mirrored" ){
            } else {
                Write-Warning "Mirroring mode is not enabled!"
            }
        } Catch {
            Write-Warning "$env:UserProfile\.wslconfig has not been created!"
            Write-Warning "Mirroring mode is not enabled!"
        }
    }

    Write-Host "Getting adapter data..."

    $sources = @{}
    $sources.win = Get-NetAdapter -IncludeHidden
    $sources.wsl = If( $Distribution ){
        wsl -d $Distribution -- "ip" "-json" "a" | ConvertFrom-Json
    } Else {
        wsl -- "ip" "-json" "a" | ConvertFrom-Json
    }

    # Ammend the IP address information on the Windows Adapters
    & {
        $addresses = Get-NetIPAddress
        $sources.win | ForEach-Object {
            $win = $_
            $win | Add-Member `
                -MemberType NoteProperty `
                -Name "AddressInfo" `
                -Value ($addresses | Where-Object {
                    $_.InterfaceIndex -eq $win.ifIndex
                })
        }
    }

    Write-Host "Parsing adapter data..."

    $sources.wsl | ForEach-Object {
        $wsl = $_
        $win = $sources.win | Where-Object { 
            
            $macs = @{
                "wsl" = $wsl.address -replace ":",""
                "win" = $_.MacAddress -replace "-",""
            }

            $macs.wsl -ieq $macs.win

        }

        New-Object PSobject -Property ([ordered]@{
            "Linux" = $wsl.ifname
            "Windows" = $win.Name
            "MAC (Linux)" = $wsl.address
            "MAC (Windows)" = $win.MacAddress

            "IPv4 (Linux)" = $wsl.addr_info | Where-Object {
                $_.family -eq "inet"
            } | Select-Object -ExpandProperty "local"
            "IPv4 (Windows)" = $win.AddressInfo | Where-Object {
                $_.AddressFamily -eq "IPv4"
            }

            "IPv6 (Linux)" = $wsl.addr_info | Where-Object {
                $_.family -eq "inet6"
            } | Select-Object -ExpandProperty "local"
            "IPv6 (Windows)" = $win.AddressInfo | Where-Object {
                $_.AddressFamily -eq "IPv6"
            }
        })
    }
}