From 17d195b7a6d68767b963c09c53f5c04e9f39c5a6 Mon Sep 17 00:00:00 2001
From: akallabeth <akallabeth@posteo.net>
Date: Sat, 6 Jul 2024 12:46:49 +0200
Subject: [PATCH] [core,capabilities] fix CapsProtocolVersion

if the wrong version 0x0000 is sent (older FreeRDP based servers)
correct the value to TS_CAPS_PROTOCOLVERSION (0x0200) along with a
warning message.
---
 libfreerdp/core/capabilities.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libfreerdp/core/capabilities.c b/libfreerdp/core/capabilities.c
index f4274d7e0..586086d4f 100644
--- a/libfreerdp/core/capabilities.c
+++ b/libfreerdp/core/capabilities.c
@@ -221,8 +221,9 @@ static BOOL rdp_read_general_capability_set(wStream* s, rdpSettings* settings)
 		{
 			WLog_WARN(TAG,
 			          "TS_GENERAL_CAPABILITYSET::protocolVersion(0x%04" PRIx16
-			          " assuming old FreeRDP, ignoring protocol violation.",
+			          " assuming old FreeRDP, ignoring protocol violation, correcting value.",
 			          settings->CapsProtocolVersion);
+			settings->CapsProtocolVersion = TS_CAPS_PROTOCOLVERSION;
 		}
 		else
 			return FALSE;