From 1339d51796a8bd62d956193a31f49ed7a3301f88 Mon Sep 17 00:00:00 2001
From: Kroese <kroese@users.noreply.github.com>
Date: Fri, 22 Dec 2023 04:47:58 +0100
Subject: [PATCH] feat: Firewall info

---
 src/check.sh | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/check.sh b/src/check.sh
index 18e15b1..fd7b9a5 100644
--- a/src/check.sh
+++ b/src/check.sh
@@ -10,7 +10,18 @@ file="/run/dsm.url"
 location=$(cat "$file")
 
 if ! curl -m 20 -ILfSs "http://$location/" > /dev/null; then
-  echo "Failed to reach page at http://$location" && exit 1
+
+  if [[ "$location" == "20.20"* ]]; then
+    ip="20.20.20.1"
+    port="${location##*:}"
+    echo "Failed to reach DSM at port $port"
+  else
+    echo "Failed to reach DSM at http://$location"
+    ip=$(ip address show dev eth0 | grep inet | awk '/inet / { print $2 }' | cut -f1 -d/)
+  fi
+
+  echo "You might need to whitelist IP $ip in the DSM firewall." && exit 1
+
 fi
 
 echo "Healthcheck OK"