From 0e08b7934274089ebe9151f8e7d88d59971ae335 Mon Sep 17 00:00:00 2001
From: hwdsl2 <hwdsl2@users.noreply.github.com>
Date: Fri, 20 May 2022 20:05:10 -0500
Subject: [PATCH] Improve VPN setup

- When uninstalling, leave IP forwarding enabled if OpenVPN
  or WireGuard is installed on the system.
---
 extras/vpnuninstall.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/extras/vpnuninstall.sh b/extras/vpnuninstall.sh
index c6fdc2d..e66a95e 100755
--- a/extras/vpnuninstall.sh
+++ b/extras/vpnuninstall.sh
@@ -186,7 +186,9 @@ update_sysctl() {
     else
       sed --follow-symlinks -i '/# Added by hwdsl2 VPN script/,+17d' /etc/sysctl.conf
     fi
-    echo 0 > /proc/sys/net/ipv4/ip_forward
+    if [ ! -f /usr/bin/wg-quick ] && [ ! -f /usr/sbin/openvpn ]; then
+      echo 0 > /proc/sys/net/ipv4/ip_forward
+    fi
     echo 1 > /proc/sys/net/ipv4/conf/all/rp_filter
   fi
 }