From 3abf62b41a56b0e30f80e3fa1560397fd2cbe103 Mon Sep 17 00:00:00 2001
From: Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com>
Date: Tue, 17 Aug 2021 22:18:18 +0900
Subject: [PATCH] nghttpx: Send stateless reset token in TP

---
 src/shrpx_http3_upstream.cc | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/shrpx_http3_upstream.cc b/src/shrpx_http3_upstream.cc
index e4b945ae..f312e231 100644
--- a/src/shrpx_http3_upstream.cc
+++ b/src/shrpx_http3_upstream.cc
@@ -477,6 +477,17 @@ int Http3Upstream::init(const UpstreamAddr *faddr, const Address &remote_addr,
       static_cast<ngtcp2_tstamp>(quicconf.timeout.idle * NGTCP2_SECONDS);
   params.original_dcid = initial_hd.dcid;
 
+  auto &stateless_resetconf = quicconf.stateless_reset;
+
+  rv = generate_quic_stateless_reset_token(params.stateless_reset_token, &scid,
+                                           stateless_resetconf.secret.data(),
+                                           stateless_resetconf.secret.size());
+  if (rv != 0) {
+    LOG(ERROR) << "generate_quic_stateless_reset_token failed";
+    return -1;
+  }
+  params.stateless_reset_token_present = 1;
+
   auto path = ngtcp2_path{
       {local_addr.len, const_cast<sockaddr *>(&local_addr.su.sa)},
       {remote_addr.len, const_cast<sockaddr *>(&remote_addr.su.sa)},