initial commit

sslvpn-route.ps1

@@ -0,0 +1,56 @@
+#requires -version 5
+
+<#
+.SYNOPSIS
+	set route to destination through SSLVPN
+.INPUTS
+	destination as hostname or IP
+.NOTES
+	Version:		1.0.0
+	Author:			Benjamin Rechsteiner
+	Creation Date:	2022-03-22
+	Last Modified:	2022-03-22
+	Purpose/Change: First Release
+#>
+
+param (
+	[String]$Dest
+)
+
+if ([string]::IsNullOrEmpty($Dest)) {
+	Write-Host 'Destination argument is not a valide IP or Hostname'
+	exit $false
+}
+
+$IPs = @()
+
+function Get-IPs {
+	if ($Dest -match '^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$') {
+		$script:IPs += $Dest
+	} elseif ($Dest -match '^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9\-]*[A-Za-z0-9])$') {
+		Resolve-DnsName -Type A $Dest | foreach { $script:IPs += $_.IPAddress }
+	} else {
+		Write-Host 'Destination argument is not a valide IP or Hostname'
+		exit $false
+	}
+	if (-Not $script:IPs.Count -gt 0) {
+		Write-Host 'No IP could be resolved for this hostname'
+		exit $false
+	}
+}
+
+function Get-GwIp {
+	Get-NetRoute -DestinationPrefix 46.227.224.0/21
+}
+
+function Set-Route {
+	$Gw = Get-GwIp
+	Foreach ($ip in $script:IPs) {
+		$ip_route = "$ip/32"
+		New-NetRoute -DestinationPrefix $ip_route -NextHop $Gw.NextHop -InterfaceIndex $Gw.ifIndex | Out-Null
+		Write-Host "Set Route $ip_route through SSLVPN"
+	}
+}
+
+Get-IPs
+Set-Route