internal/functions/Test-FMSubnetCidr.ps1
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function Test-FMSubnetCidr { <# .SYNOPSIS Helper for verifying that a subnet contains a netmask. .DESCRIPTION Helper for verifying that a subnet contains a netmask. .PARAMETER Subnet The Subnet .EXAMPLE An example may be provided later .NOTES General notes #> [CmdletBinding()] param ( [string]$Subnet ) $Subnet = $Subnet.Trim() if ($Subnet -match '^\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\b$') { Write-PSFMessage "Subnet $Subnet is missing the subnet mask" $cidr = "" switch -regex ($Subnet) { '^\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\b$' { $cidr = "/32" } '^\b\d{1,3}\.\d{1,3}\.\d{1,3}\.0$' { $cidr = "/24" } default { Write-PSFMessage "Cannot guess cidr for Subnet $Subnet" } } $Subnet += $cidr Write-PSFMessage "New Subnet: $Subnet" } return $Subnet } |