From 5a711551a2eb12321630f10f9392d17e975be42f Mon Sep 17 00:00:00 2001
From: Frederic Lecaille <flecaille@haproxy.com>
Date: Wed, 17 Jan 2024 18:14:44 +0100
Subject: [PATCH] MINOR: quic-be: Version Information transport parameter check

Add a little check to verify that the version chosen by the server matches
with the client one. Initiliazes local transport parameters ->negotiated_version
value with this version if this is the case. If not, return 0;
---
 src/quic_tp.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/quic_tp.c b/src/quic_tp.c
index 2e5e47d61..caf66577e 100644
--- a/src/quic_tp.c
+++ b/src/quic_tp.c
@@ -213,9 +213,18 @@ static int quic_transport_param_dec_version_info(struct tp_version_information *
 			return 0;
 	}
 
-	if (server)
-		/* TODO: not supported */
+	if (server) {
+		int i;
+
+		for (i = 0; i < quic_versions_nb; i++) {
+			if (tp->chosen == quic_versions[i].num) {
+				tp->negotiated_version = &quic_versions[i];
+				goto out;
+			}
+		}
+
 		return 0;
+	}
 
 	for (ver = others; ver < end; ver += 4) {
 		if (!tp->negotiated_version) {