From 5c9420bc76ccfad79a97fcd84e4faee4a8dc7bfc Mon Sep 17 00:00:00 2001
From: allineone <74498214+allineone@users.noreply.github.com>
Date: Sat, 28 Nov 2020 17:43:34 +0000
Subject: [PATCH] updated tun_number issue for unlimited support

---
 functions.vpnchain | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/functions.vpnchain b/functions.vpnchain
index 776b9a9..25bd9b8 100644
--- a/functions.vpnchain
+++ b/functions.vpnchain
@@ -10,16 +10,18 @@ function CONNECT() {
 # Get available tun devices
 function GET_TUN() {
   client_tun=
-  tun_number=`cat /proc/net/dev | grep tun | head -n 1 | awk '{print substr($1,4,1)}'`
+  tun_number=`ls /sys/class/net | grep tun`
   if [ -z "$tun_number" ]; then
       tun_number=0
     else
+      tun_number=`echo $tun_number |  tr " " "\n" | sort -t= -nr -k3 | tr -d "tun" | head -1`
       let tun_number=$tun_number+1;
   fi
   client_tun="tun$tun_number"
   SHOW info "Client tun: $client_tun";
 }
 
+
 # Check if value exists in array
 function IN_ARRAY() {
     local array item=$1