vncsconnect : ré-écriture

bin/vncsconnect

@@ -1,40 +1,14 @@
-#!/bin/bash
+#!/usr/bin/env sh
-
+if [ -z "$1" ]; then
-vnc_host="$1"
+  >&2 echo "provide ssh host name"
-if [ -n "$2" ]
+  exit 1
-    then local_port="$2"
-    else local_port=9900
-fi
-if [ -n "$3" ]
-    then distant_port="$3"
-    else distant_port=5900
-fi
-[ -n "$4" ] && ssh_target="$4"
-
-# Fonction
-ssh_bridge_already_exists() {
-    [ -n "$(lsof -nP -i TCP -s TCP:LISTEN | awk '($1 == "ssh" && $9 ~ /.*:'"${local_port}"'/) { print }')" ]
-}
-
-# Sélectionner le viewer adapté à la session
-if [ -n "$WAYLAND_DISPLAY" ]; then
-    vncviewer=wlvncc
 else
-    vncviewer=vncviewer
+  ssh_host=$1
-    separator=:
 fi
+remote_port=${2:-5900}
+local_port=$((remote_port + 4000))
 
-# Initialiser les arguments du viewer
+ssh -O check -- "$ssh_host"
-args=(localhost "$local_port")
+ssh -f -N -L "${local_port}:localhost:${remote_port}" -- "$ssh_host" || exit
-if [ -n "$separator" ]; then
+wlvncc -- localhost "$local_port"
-    args=("${args[*]// /${separator}/}")
+ssh -O cancel -L "${local_port}:localhost:${remote_port}" -- "$ssh_host"
-fi
-
-# Exécution
-if ! ssh_bridge_already_exists; then
-    ssh-fwd "$vnc_host" "$local_port" "$distant_port" "$ssh_target" || exit
-else
-    echo "Le pont SSH existe déjà !"
-fi
-
-exec "$vncviewer" "${args[@]}"