From d2bab53364e179203af0fd6bbbac936269760661 Mon Sep 17 00:00:00 2001
From: matt335672 <30179339+matt335672@users.noreply.github.com>
Date: Mon, 17 Jun 2024 11:53:47 +0100
Subject: [PATCH] Don't use GFX if server max_bpp is <32

---
 libxrdp/xrdp_sec.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/libxrdp/xrdp_sec.c b/libxrdp/xrdp_sec.c
index 71c9b9ee..7c6282a5 100644
--- a/libxrdp/xrdp_sec.c
+++ b/libxrdp/xrdp_sec.c
@@ -2146,6 +2146,12 @@ xrdp_sec_process_mcs_data_CS_CORE(struct xrdp_sec *self, struct stream *s)
             LOG(LOG_LEVEL_WARNING,
                 "client requested gfx protocol with insufficient color depth");
         }
+        else if (client_info->max_bpp > 0 && client_info->max_bpp < 32)
+        {
+            LOG(LOG_LEVEL_WARNING, "Client requested gfx protocol "
+                "but the server configuration is limited to %d bpp.",
+                client_info->max_bpp);
+        }
         else
         {
             LOG(LOG_LEVEL_INFO, "client supports gfx protocol");