From: Frédéric Lécaille <flecaille@haproxy.com>
Date: Wed, 25 Aug 2021 14:11:00 +0000 (+0200)
Subject: MINOR: quic: Wrong short packet minimum length
X-Git-Tag: v2.5-dev8~65
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=f4c5c7bdbb9abffe7ce3c104153e2f4d72361fcc;p=thirdparty%2Fhaproxy.git

MINOR: quic: Wrong short packet minimum length

There is no destination connection ID length field in the short packet header.
---

diff --git a/include/haproxy/xprt_quic-t.h b/include/haproxy/xprt_quic-t.h
index 022768c4f4..95d96f64db 100644
--- a/include/haproxy/xprt_quic-t.h
+++ b/include/haproxy/xprt_quic-t.h
@@ -68,9 +68,9 @@
 #define QUIC_LONG_PACKET_MINLEN            7
 /*
  * All QUIC packets with short headers are made of at least (in bytes):
- * flags(1), DCID length(1), DCID(0..20)
+ * flags(1), DCID(0..20)
  */
-#define QUIC_SHORT_PACKET_MINLEN           2
+#define QUIC_SHORT_PACKET_MINLEN           1
 /* Byte 0 of QUIC packets. */
 #define QUIC_PACKET_LONG_HEADER_BIT  0x80 /* Long header format if set, short if not. */
 #define QUIC_PACKET_FIXED_BIT        0x40 /* Must always be set for all the headers. */