05-sep: [router] automatizar tunel SSH al ASUS

scripts/router-ssh-tunnel.ps1

@@ -0,0 +1,33 @@
+$ErrorActionPreference = "Stop"
+
+$key = "C:\Users\juanm\Documents\GitHub\contabo"
+$vps = "root@185.187.169.109"
+$remotePort = 18022
+$localPort = 2222
+
+if (-not (Test-Path -LiteralPath $key -PathType Leaf)) {
+    throw "No se encuentra la clave SSH del VPS: $key"
+}
+
+$remoteCommand = "if ss -lnt | grep -q ':$remotePort'; then echo TUNNEL_ALREADY_ACTIVE; else nohup ssh -i /root/.ssh/pi_deploy -o BatchMode=yes -o ExitOnForwardFailure=yes -o ServerAliveInterval=30 -p 2222 -N -L $remotePort`:192.168.50.1`:22 pi@127.0.0.1 >/tmp/router-ssh-tunnel.log 2>&1 & echo TUNNEL_STARTED; fi"
+& ssh -i $key -o BatchMode=yes $vps $remoteCommand
+
+$local = Get-NetTCPConnection -LocalPort $localPort -State Listen -ErrorAction SilentlyContinue
+if (-not $local) {
+    $arguments = @(
+        "-i", $key,
+        "-o", "BatchMode=yes",
+        "-o", "ExitOnForwardFailure=yes",
+        "-N",
+        "-L", "$localPort`:127.0.0.1`:$remotePort",
+        $vps
+    )
+    Start-Process -FilePath "ssh.exe" -ArgumentList $arguments -WindowStyle Hidden
+    Start-Sleep -Seconds 2
+}
+
+if (Get-NetTCPConnection -LocalPort $localPort -State Listen -ErrorAction SilentlyContinue) {
+    Write-Output "Tunel activo. Conecta con: ssh -p $localPort usuario_del_router@127.0.0.1"
+} else {
+    throw "No se pudo abrir el puerto local $localPort"
+}