From b27ad0ccf2c21a39331d17236f815b9735c5b122 Mon Sep 17 00:00:00 2001
From: Taylor Helsper <tehelsper@gmail.com>
Date: Sun, 10 Apr 2022 23:34:38 -0500
Subject: [PATCH] Add warning for subnet conflicts

---
 rootfs/standard/var/pynode/device_info.py                  | 6 ++++++
 rootfs/standard/var/www/mynode/settings.py                 | 2 ++
 .../var/www/mynode/templates/includes/info_table.html      | 7 ++++++-
 3 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/rootfs/standard/var/pynode/device_info.py b/rootfs/standard/var/pynode/device_info.py
index f99f25d8..b2f3b661 100644
--- a/rootfs/standard/var/pynode/device_info.py
+++ b/rootfs/standard/var/pynode/device_info.py
@@ -363,6 +363,12 @@ def get_local_ip():
 
     return local_ip
 
+def get_local_ip_subnet_conflict():
+    ip = get_local_ip()
+    if ip.startswith("172."):
+        return True
+    return False
+
 def get_device_changelog():
     changelog = ""
     try:
diff --git a/rootfs/standard/var/www/mynode/settings.py b/rootfs/standard/var/www/mynode/settings.py
index 00b0cae1..96648648 100644
--- a/rootfs/standard/var/www/mynode/settings.py
+++ b/rootfs/standard/var/www/mynode/settings.py
@@ -99,6 +99,7 @@ def page_settings():
         "uptime": uptime,
         "date": date,
         "local_ip": local_ip,
+        "local_ip_subnet_conflit": get_local_ip_subnet_conflict(),
         "throttled_data": get_throttled_data(),
         "oom_error": has_oom_error(),
         "oom_info": get_oom_error_info(),
@@ -289,6 +290,7 @@ def page_status():
         "uptime": uptime,
         "date": date,
         "local_ip": local_ip,
+        "local_ip_subnet_conflit": get_local_ip_subnet_conflict(),
         "throttled_data": get_throttled_data(),
         "oom_error": has_oom_error(),
         "oom_info": get_oom_error_info(),
diff --git a/rootfs/standard/var/www/mynode/templates/includes/info_table.html b/rootfs/standard/var/www/mynode/templates/includes/info_table.html
index 2a645821..d4e75f2f 100644
--- a/rootfs/standard/var/www/mynode/templates/includes/info_table.html
+++ b/rootfs/standard/var/www/mynode/templates/includes/info_table.html
@@ -34,7 +34,12 @@
     </tr>
     <tr>
         <th>Local IP</th>
-        <td>{{local_ip}}</td>
+        <td>
+            {{local_ip}}
+            {% if local_ip_subnet_conflit %}
+                <br/><span style="color: red; font-size: 10px;">*Your IP address may conflict with internal subnets and cause issues</span>
+            {% endif %}
+        </td>
     </tr>
     {% if throttled_data['RAW_DATA'] != "0x0" and throttled_data['RAW_DATA'] != "MISSING" %}
     {% if throttled_data['UNDERVOLTED'] or throttled_data['CAPPED'] or throttled_data['THROTTLED'] or throttled_data['SOFT_TEMPLIMIT'] %}