From 9bed9735ea149cfa309d2ffa29b8d2f54672b3cf Mon Sep 17 00:00:00 2001
From: jumpsmm7 <49514613+jumpsmm7@users.noreply.github.com>
Date: Tue, 1 Feb 2022 00:30:04 -0500
Subject: [PATCH] Update installer

---
 installer | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/installer b/installer
index e028567..62b9ee6 100644
--- a/installer
+++ b/installer
@@ -1000,6 +1000,7 @@ write_command_script () {
 RURL="https://raw.githubusercontent.com/jumpsmm7/Asuswrt-Merlin-AdGuardHome-Installer/${BRANCH}/installer"
 ROUTER_OS="$(/bin/uname)"
 ROUTER_ARCH="$(/bin/uname -m)"
+NAT_ENV="$(nvram get wan_ipaddr | grep -E '^(192\.168|10\.|172\.1[6789]\.|172\.2[0-9]\.|172\.3[01]\.)')"
 
 clear
 
@@ -1008,6 +1009,13 @@ clear
 
 sed -n '2,22p' "$0"
 
+if [ -n "$NAT_ENV" ]; then
+  PTXT "$WARNING This router is in a Double-Nat Environment. While for some users of AdGuardHome this may work fine," \
+       "$WARNING Consider this a warning that there is no guarentee that it will." \ 
+       "$WARNING The script developer cannot help in this scenario." \
+       "$WARNING However you are still welcome to use the script."  
+fi
+
 case "$ROUTER_MODEL" in
   #RT-AX56U|RT-AX58U|RT-AX3000)
   #  PTXT "$ERROR This is an unsupported router, sorry."