[PATCH] QUIC: relocated ngx_quic_init_streams() for 0-RTT

[Roman Arutyunyan]

# HG changeset patch
# User Roman Arutyunyan <arut at nginx.com>
# Date 1673357050 -14400
#      Tue Jan 10 17:24:10 2023 +0400
# Branch quic
# Node ID 5a09008e93a3842dc5a372e39617097893293ddf
# Parent  7dac46ecb27d3f488d40b28cd8d07f884046e171
QUIC: relocated ngx_quic_init_streams() for 0-RTT.

Previously, streams were initialized in early keys handler.  However, client
transport parameters may not be available by then.  This happens, for example,
when using QuicTLS.  Now streams are initialized in ngx_quic_crypto_input()
after calling SSL_do_handshake() for both 0-RTT and 1-RTT.

diff --git a/src/event/quic/ngx_event_quic_ssl.c b/src/event/quic/ngx_event_quic_ssl.c
--- a/src/event/quic/ngx_event_quic_ssl.c
+++ b/src/event/quic/ngx_event_quic_ssl.c
@@ -67,12 +67,6 @@ ngx_quic_set_read_secret(ngx_ssl_conn_t 
         return 0;
     }
 
-    if (level == ssl_encryption_early_data) {
-        if (ngx_quic_init_streams(c) != NGX_OK) {
-            return 0;
-        }
-    }
-
     return 1;
 }
 
@@ -138,10 +132,6 @@ ngx_quic_set_encryption_secrets(ngx_ssl_
     }
 
     if (level == ssl_encryption_early_data) {
-        if (ngx_quic_init_streams(c) != NGX_OK) {
-            return 0;
-        }
-
         return 1;
     }
 
@@ -455,11 +445,17 @@ ngx_quic_crypto_input(ngx_connection_t *
             qc->error_reason = "handshake failed";
             return NGX_ERROR;
         }
-
-        return NGX_OK;
     }
 
-    if (SSL_in_init(ssl_conn)) {
+    if (n <= 0 || SSL_in_init(ssl_conn)) {
+        if (ngx_quic_keys_available(qc->keys, ssl_encryption_early_data)
+            && qc->client_tp_done)
+        {
+            if (ngx_quic_init_streams(c) != NGX_OK) {
+                return NGX_ERROR;
+            }
+        }
+
         return NGX_OK;
     }