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dockerfile/examples/openssl/openssl-3.2.1-src/demos/http3/ossl-nghttp3.c

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/*
* Copyright 2023 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include "ossl-nghttp3.h"
#include <openssl/err.h>
#include <assert.h>
#define ARRAY_LEN(x) (sizeof(x)/sizeof((x)[0]))
enum {
OSSL_DEMO_H3_STREAM_TYPE_CTRL_SEND,
OSSL_DEMO_H3_STREAM_TYPE_QPACK_ENC_SEND,
OSSL_DEMO_H3_STREAM_TYPE_QPACK_DEC_SEND,
OSSL_DEMO_H3_STREAM_TYPE_REQ,
};
#define BUF_SIZE 4096
struct ossl_demo_h3_stream_st {
uint64_t id; /* QUIC stream ID */
SSL *s; /* QUIC stream SSL object */
int done_recv_fin; /* Received FIN */
void *user_data;
uint8_t buf[BUF_SIZE];
size_t buf_cur, buf_total;
};
DEFINE_LHASH_OF_EX(OSSL_DEMO_H3_STREAM);
static void h3_stream_free(OSSL_DEMO_H3_STREAM *s)
{
if (s == NULL)
return;
SSL_free(s->s);
OPENSSL_free(s);
}
static unsigned long h3_stream_hash(const OSSL_DEMO_H3_STREAM *s)
{
return (unsigned long)s->id;
}
static int h3_stream_eq(const OSSL_DEMO_H3_STREAM *a, const OSSL_DEMO_H3_STREAM *b)
{
if (a->id < b->id) return -1;
if (a->id > b->id) return 1;
return 0;
}
void *OSSL_DEMO_H3_STREAM_get_user_data(const OSSL_DEMO_H3_STREAM *s)
{
return s->user_data;
}
struct ossl_demo_h3_conn_st {
/* QUIC connection SSL object */
SSL *qconn;
/* BIO wrapping QCSO */
BIO *qconn_bio;
/* HTTP/3 connection object */
nghttp3_conn *h3conn;
/* map of stream IDs to OSSL_DEMO_H3_STREAMs */
LHASH_OF(OSSL_DEMO_H3_STREAM) *streams;
/* opaque user data pointer */
void *user_data;
int pump_res;
size_t consumed_app_data;
/* Forwarding callbacks */
nghttp3_recv_data recv_data_cb;
nghttp3_stream_close stream_close_cb;
nghttp3_stop_sending stop_sending_cb;
nghttp3_reset_stream reset_stream_cb;
nghttp3_deferred_consume deferred_consume_cb;
};
void OSSL_DEMO_H3_CONN_free(OSSL_DEMO_H3_CONN *conn)
{
if (conn == NULL)
return;
lh_OSSL_DEMO_H3_STREAM_doall(conn->streams, h3_stream_free);
nghttp3_conn_del(conn->h3conn);
BIO_free_all(conn->qconn_bio);
lh_OSSL_DEMO_H3_STREAM_free(conn->streams);
OPENSSL_free(conn);
}
static OSSL_DEMO_H3_STREAM *h3_conn_create_stream(OSSL_DEMO_H3_CONN *conn, int type)
{
OSSL_DEMO_H3_STREAM *s;
uint64_t flags = SSL_STREAM_FLAG_ADVANCE;
if ((s = OPENSSL_zalloc(sizeof(OSSL_DEMO_H3_STREAM))) == NULL)
return NULL;
if (type != OSSL_DEMO_H3_STREAM_TYPE_REQ)
flags |= SSL_STREAM_FLAG_UNI;
if ((s->s = SSL_new_stream(conn->qconn, flags)) == NULL) {
ERR_raise_data(ERR_LIB_USER, ERR_R_INTERNAL_ERROR,
"could not create QUIC stream object");
goto err;
}
s->id = SSL_get_stream_id(s->s);
lh_OSSL_DEMO_H3_STREAM_insert(conn->streams, s);
return s;
err:
OPENSSL_free(s);
return NULL;
}
static OSSL_DEMO_H3_STREAM *h3_conn_accept_stream(OSSL_DEMO_H3_CONN *conn, SSL *qstream)
{
OSSL_DEMO_H3_STREAM *s;
if ((s = OPENSSL_zalloc(sizeof(OSSL_DEMO_H3_STREAM))) == NULL)
return NULL;
s->id = SSL_get_stream_id(qstream);
s->s = qstream;
lh_OSSL_DEMO_H3_STREAM_insert(conn->streams, s);
return s;
}
static void h3_conn_remove_stream(OSSL_DEMO_H3_CONN *conn, OSSL_DEMO_H3_STREAM *s)
{
if (s == NULL)
return;
lh_OSSL_DEMO_H3_STREAM_delete(conn->streams, s);
h3_stream_free(s);
}
static int h3_conn_recv_data(nghttp3_conn *h3conn, int64_t stream_id,
const uint8_t *data, size_t datalen,
void *conn_user_data, void *stream_user_data)
{
OSSL_DEMO_H3_CONN *conn = conn_user_data;
conn->consumed_app_data += datalen;
if (conn->recv_data_cb == NULL)
return 0;
return conn->recv_data_cb(h3conn, stream_id, data, datalen,
conn_user_data, stream_user_data);
}
static int h3_conn_stream_close(nghttp3_conn *h3conn, int64_t stream_id,
uint64_t app_error_code,
void *conn_user_data, void *stream_user_data)
{
int ret = 0;
OSSL_DEMO_H3_CONN *conn = conn_user_data;
OSSL_DEMO_H3_STREAM *stream = stream_user_data;
if (conn->stream_close_cb != NULL)
ret = conn->stream_close_cb(h3conn, stream_id, app_error_code,
conn_user_data, stream_user_data);
h3_conn_remove_stream(conn, stream);
return ret;
}
static int h3_conn_stop_sending(nghttp3_conn *h3conn, int64_t stream_id,
uint64_t app_error_code,
void *conn_user_data, void *stream_user_data)
{
int ret = 0;
OSSL_DEMO_H3_CONN *conn = conn_user_data;
OSSL_DEMO_H3_STREAM *stream = stream_user_data;
if (conn->stop_sending_cb != NULL)
ret = conn->stop_sending_cb(h3conn, stream_id, app_error_code,
conn_user_data, stream_user_data);
SSL_free(stream->s);
stream->s = NULL;
return ret;
}
static int h3_conn_reset_stream(nghttp3_conn *h3conn, int64_t stream_id,
uint64_t app_error_code,
void *conn_user_data, void *stream_user_data)
{
int ret = 0;
OSSL_DEMO_H3_CONN *conn = conn_user_data;
OSSL_DEMO_H3_STREAM *stream = stream_user_data;
SSL_STREAM_RESET_ARGS args = {0};
if (conn->reset_stream_cb != NULL)
ret = conn->reset_stream_cb(h3conn, stream_id, app_error_code,
conn_user_data, stream_user_data);
if (stream->s != NULL) {
args.quic_error_code = app_error_code;
if (!SSL_stream_reset(stream->s, &args, sizeof(args)))
return 1;
}
return ret;
}
static int h3_conn_deferred_consume(nghttp3_conn *h3conn, int64_t stream_id,
size_t consumed,
void *conn_user_data, void *stream_user_data)
{
int ret = 0;
OSSL_DEMO_H3_CONN *conn = conn_user_data;
if (conn->deferred_consume_cb != NULL)
ret = conn->deferred_consume_cb(h3conn, stream_id, consumed,
conn_user_data, stream_user_data);
conn->consumed_app_data += consumed;
return ret;
}
OSSL_DEMO_H3_CONN *OSSL_DEMO_H3_CONN_new_for_conn(BIO *qconn_bio,
const nghttp3_callbacks *callbacks,
const nghttp3_settings *settings,
void *user_data)
{
int ec;
OSSL_DEMO_H3_CONN *conn;
OSSL_DEMO_H3_STREAM *s_ctl_send = NULL;
OSSL_DEMO_H3_STREAM *s_qpenc_send = NULL;
OSSL_DEMO_H3_STREAM *s_qpdec_send = NULL;
nghttp3_settings dsettings = {0};
nghttp3_callbacks intl_callbacks = {0};
static const unsigned char alpn[] = {2, 'h', '3'};
if (qconn_bio == NULL) {
ERR_raise_data(ERR_LIB_USER, ERR_R_PASSED_NULL_PARAMETER,
"QUIC connection BIO must be provided");
return NULL;
}
if ((conn = OPENSSL_zalloc(sizeof(OSSL_DEMO_H3_CONN))) == NULL)
return NULL;
conn->qconn_bio = qconn_bio;
conn->user_data = user_data;
if (BIO_get_ssl(qconn_bio, &conn->qconn) == 0) {
ERR_raise_data(ERR_LIB_USER, ERR_R_PASSED_INVALID_ARGUMENT,
"BIO must be an SSL BIO");
goto err;
}
/* Create the map of stream IDs to OSSL_DEMO_H3_STREAM structures. */
if ((conn->streams = lh_OSSL_DEMO_H3_STREAM_new(h3_stream_hash, h3_stream_eq)) == NULL)
goto err;
/*
* If the application has not started connecting yet, helpfully
* auto-configure ALPN. If the application wants to initiate the connection
* itself, it must take care of this itself.
*/
if (SSL_in_before(conn->qconn))
if (SSL_set_alpn_protos(conn->qconn, alpn, sizeof(alpn))) {
/* SSL_set_alpn_protos returns 1 on failure */
ERR_raise_data(ERR_LIB_USER, ERR_R_INTERNAL_ERROR,
"failed to configure ALPN");
goto err;
}
/*
* We use the QUIC stack in non-blocking mode so that we can react to
* incoming data on different streams, and e.g. incoming streams initiated
* by a server, as and when events occur.
*/
BIO_set_nbio(conn->qconn_bio, 1);
/*
* Disable default stream mode and create all streams explicitly. Each QUIC
* stream will be represented by its own QUIC stream SSL object (QSSO). This
* also automatically enables us to accept incoming streams (see
* SSL_set_incoming_stream_policy(3)).
*/
if (!SSL_set_default_stream_mode(conn->qconn, SSL_DEFAULT_STREAM_MODE_NONE)) {
ERR_raise_data(ERR_LIB_USER, ERR_R_INTERNAL_ERROR,
"failed to configure default stream mode");
goto err;
}
/*
* HTTP/3 requires a couple of unidirectional management streams: a control
* stream and some QPACK state management streams for each side of a
* connection. These are the instances on our side (with us sending); the
* server will also create its own equivalent unidirectional streams on its
* side, which we handle subsequently as they come in (see SSL_accept_stream
* in the event handling code below).
*/
if ((s_ctl_send
= h3_conn_create_stream(conn, OSSL_DEMO_H3_STREAM_TYPE_CTRL_SEND)) == NULL)
goto err;
if ((s_qpenc_send
= h3_conn_create_stream(conn, OSSL_DEMO_H3_STREAM_TYPE_QPACK_ENC_SEND)) == NULL)
goto err;
if ((s_qpdec_send
= h3_conn_create_stream(conn, OSSL_DEMO_H3_STREAM_TYPE_QPACK_DEC_SEND)) == NULL)
goto err;
if (settings == NULL) {
nghttp3_settings_default(&dsettings);
settings = &dsettings;
}
if (callbacks != NULL)
intl_callbacks = *callbacks;
/*
* We need to do some of our own processing when many of these events occur,
* so we note the original callback functions and forward appropriately.
*/
conn->recv_data_cb = intl_callbacks.recv_data;
conn->stream_close_cb = intl_callbacks.stream_close;
conn->stop_sending_cb = intl_callbacks.stop_sending;
conn->reset_stream_cb = intl_callbacks.reset_stream;
conn->deferred_consume_cb = intl_callbacks.deferred_consume;
intl_callbacks.recv_data = h3_conn_recv_data;
intl_callbacks.stream_close = h3_conn_stream_close;
intl_callbacks.stop_sending = h3_conn_stop_sending;
intl_callbacks.reset_stream = h3_conn_reset_stream;
intl_callbacks.deferred_consume = h3_conn_deferred_consume;
/* Create the HTTP/3 client state. */
ec = nghttp3_conn_client_new(&conn->h3conn, &intl_callbacks, settings,
NULL, conn);
if (ec < 0) {
ERR_raise_data(ERR_LIB_USER, ERR_R_INTERNAL_ERROR,
"cannot create nghttp3 connection: %s (%d)",
nghttp3_strerror(ec), ec);
goto err;
}
/*
* Tell the HTTP/3 stack which stream IDs are used for our outgoing control
* and QPACK streams. Note that we don't have to tell the HTTP/3 stack what
* IDs are used for incoming streams as this is inferred automatically from
* the stream type byte which starts every incoming unidirectional stream,
* so it will autodetect the correct stream IDs for the incoming control and
* QPACK streams initiated by the server.
*/
ec = nghttp3_conn_bind_control_stream(conn->h3conn, s_ctl_send->id);
if (ec < 0) {
ERR_raise_data(ERR_LIB_USER, ERR_R_INTERNAL_ERROR,
"cannot bind nghttp3 control stream: %s (%d)",
nghttp3_strerror(ec), ec);
goto err;
}
ec = nghttp3_conn_bind_qpack_streams(conn->h3conn,
s_qpenc_send->id,
s_qpdec_send->id);
if (ec < 0) {
ERR_raise_data(ERR_LIB_USER, ERR_R_INTERNAL_ERROR,
"cannot bind nghttp3 QPACK streams: %s (%d)",
nghttp3_strerror(ec), ec);
goto err;
}
return conn;
err:
nghttp3_conn_del(conn->h3conn);
h3_stream_free(s_ctl_send);
h3_stream_free(s_qpenc_send);
h3_stream_free(s_qpdec_send);
lh_OSSL_DEMO_H3_STREAM_free(conn->streams);
OPENSSL_free(conn);
return NULL;
}
OSSL_DEMO_H3_CONN *OSSL_DEMO_H3_CONN_new_for_addr(SSL_CTX *ctx, const char *addr,
const nghttp3_callbacks *callbacks,
const nghttp3_settings *settings,
void *user_data)
{
BIO *qconn_bio = NULL;
SSL *qconn = NULL;
OSSL_DEMO_H3_CONN *conn = NULL;
const char *bare_hostname;
/* QUIC connection setup */
if ((qconn_bio = BIO_new_ssl_connect(ctx)) == NULL)
goto err;
/* Pass the 'hostname:port' string into the ssl_connect BIO. */
if (BIO_set_conn_hostname(qconn_bio, addr) == 0)
goto err;
/*
* Get the 'bare' hostname out of the ssl_connect BIO. This is the hostname
* without the port.
*/
bare_hostname = BIO_get_conn_hostname(qconn_bio);
if (bare_hostname == NULL)
goto err;
if (BIO_get_ssl(qconn_bio, &qconn) == 0)
goto err;
/* Set the hostname we will validate the X.509 certificate against. */
if (SSL_set1_host(qconn, bare_hostname) <= 0)
goto err;
/* Configure SNI */
if (!SSL_set_tlsext_host_name(qconn, bare_hostname))
goto err;
conn = OSSL_DEMO_H3_CONN_new_for_conn(qconn_bio, callbacks,
settings, user_data);
if (conn == NULL)
goto err;
return conn;
err:
BIO_free_all(qconn_bio);
return NULL;
}
int OSSL_DEMO_H3_CONN_connect(OSSL_DEMO_H3_CONN *conn)
{
return SSL_connect(OSSL_DEMO_H3_CONN_get0_connection(conn));
}
void *OSSL_DEMO_H3_CONN_get_user_data(const OSSL_DEMO_H3_CONN *conn)
{
return conn->user_data;
}
SSL *OSSL_DEMO_H3_CONN_get0_connection(const OSSL_DEMO_H3_CONN *conn)
{
return conn->qconn;
}
/* Pumps received data to the HTTP/3 stack for a single stream. */
static void h3_conn_pump_stream(OSSL_DEMO_H3_STREAM *s, void *conn_)
{
int ec;
OSSL_DEMO_H3_CONN *conn = conn_;
size_t num_bytes, consumed;
uint64_t aec;
if (!conn->pump_res)
/*
* Handling of a previous stream in the iteration over all streams
* failed, so just do nothing.
*/
return;
for (;;) {
if (s->s == NULL /* If we already did STOP_SENDING, ignore this stream. */
/* If this is a write-only stream, there is no read data to check. */
|| SSL_get_stream_read_state(s->s) == SSL_STREAM_STATE_WRONG_DIR
/*
* If we already got a FIN for this stream, there is nothing more to
* do for it.
*/
|| s->done_recv_fin)
break;
/*
* Pump data from OpenSSL QUIC to the HTTP/3 stack by calling SSL_peek
* to get received data and passing it to nghttp3 using
* nghttp3_conn_read_stream. Note that this function is confusingly
* named and inputs data to the HTTP/3 stack.
*/
if (s->buf_cur == s->buf_total) {
/* Need more data. */
ec = SSL_read_ex(s->s, s->buf, sizeof(s->buf), &num_bytes);
if (ec <= 0) {
num_bytes = 0;
if (SSL_get_error(s->s, ec) == SSL_ERROR_ZERO_RETURN) {
/* Stream concluded normally. Pass FIN to HTTP/3 stack. */
ec = nghttp3_conn_read_stream(conn->h3conn, s->id, NULL, 0,
/*fin=*/1);
if (ec < 0) {
ERR_raise_data(ERR_LIB_USER, ERR_R_INTERNAL_ERROR,
"cannot pass FIN to nghttp3: %s (%d)",
nghttp3_strerror(ec), ec);
goto err;
}
s->done_recv_fin = 1;
} else if (SSL_get_stream_read_state(s->s)
== SSL_STREAM_STATE_RESET_REMOTE) {
/* Stream was reset by peer. */
if (!SSL_get_stream_read_error_code(s->s, &aec))
goto err;
ec = nghttp3_conn_close_stream(conn->h3conn, s->id, aec);
if (ec < 0) {
ERR_raise_data(ERR_LIB_USER, ERR_R_INTERNAL_ERROR,
"cannot mark stream as reset: %s (%d)",
nghttp3_strerror(ec), ec);
goto err;
}
s->done_recv_fin = 1;
} else {
/* Other error. */
goto err;
}
}
s->buf_cur = 0;
s->buf_total = num_bytes;
}
if (s->buf_cur == s->buf_total)
break;
/*
* This function is confusingly named as it is is named from nghttp3's
* 'perspective'; it is used to pass data *into* the HTTP/3 stack which
* has been received from the network.
*/
assert(conn->consumed_app_data == 0);
ec = nghttp3_conn_read_stream(conn->h3conn, s->id, s->buf + s->buf_cur,
s->buf_total - s->buf_cur, /*fin=*/0);
if (ec < 0) {
ERR_raise_data(ERR_LIB_USER, ERR_R_INTERNAL_ERROR,
"nghttp3 failed to process incoming data: %s (%d)",
nghttp3_strerror(ec), ec);
goto err;
}
/*
* read_stream reports the data it consumes from us in two different
* ways; the non-application data is returned as a number of bytes 'ec'
* above, but the number of bytes of application data has to be recorded
* by our callback. We sum the two to determine the total number of
* bytes which nghttp3 consumed.
*/
consumed = ec + conn->consumed_app_data;
assert(consumed <= s->buf_total - s->buf_cur);
s->buf_cur += consumed;
conn->consumed_app_data = 0;
}
return;
err:
conn->pump_res = 0;
}
int OSSL_DEMO_H3_CONN_handle_events(OSSL_DEMO_H3_CONN *conn)
{
int ec, fin;
size_t i, num_vecs, written, total_written, total_len;
int64_t stream_id;
nghttp3_vec vecs[8] = {0};
OSSL_DEMO_H3_STREAM key, *s;
SSL *snew;
if (conn == NULL)
return 0;
/*
* We handle events by doing three things:
*
* 1. Handle new incoming streams
* 2. Pump outgoing data from the HTTP/3 stack to the QUIC engine
* 3. Pump incoming data from the QUIC engine to the HTTP/3 stack
*/
/* 1. Check for new incoming streams */
for (;;) {
if ((snew = SSL_accept_stream(conn->qconn, SSL_ACCEPT_STREAM_NO_BLOCK)) == NULL)
break;
/*
* Each new incoming stream gets wrapped into an OSSL_DEMO_H3_STREAM object and
* added into our stream ID map.
*/
if (h3_conn_accept_stream(conn, snew) == NULL) {
SSL_free(snew);
return 0;
}
}
/* 2. Pump outgoing data from HTTP/3 engine to QUIC. */
for (;;) {
/*
* Get a number of send vectors from the HTTP/3 engine.
*
* Note that this function is confusingly named as it is named from
* nghttp3's 'perspective': this outputs pointers to data which nghttp3
* wants to *write* to the network.
*/
ec = nghttp3_conn_writev_stream(conn->h3conn, &stream_id, &fin,
vecs, ARRAY_LEN(vecs));
if (ec < 0)
return 0;
if (ec == 0)
break;
/* For each of the vectors returned, pass it to OpenSSL QUIC. */
key.id = stream_id;
if ((s = lh_OSSL_DEMO_H3_STREAM_retrieve(conn->streams, &key)) == NULL) {
ERR_raise_data(ERR_LIB_USER, ERR_R_INTERNAL_ERROR,
"no stream for ID %zd", stream_id);
return 0;
}
num_vecs = ec;
total_len = nghttp3_vec_len(vecs, num_vecs);
total_written = 0;
for (i = 0; i < num_vecs; ++i) {
if (vecs[i].len == 0)
continue;
if (s->s == NULL) {
/* Already did STOP_SENDING and threw away stream, ignore */
written = vecs[i].len;
} else if (!SSL_write_ex(s->s, vecs[i].base, vecs[i].len, &written)) {
if (SSL_get_error(s->s, 0) == SSL_ERROR_WANT_WRITE) {
/*
* We have filled our send buffer so tell nghttp3 to stop
* generating more data; we have to do this explicitly.
*/
written = 0;
nghttp3_conn_block_stream(conn->h3conn, stream_id);
} else {
ERR_raise_data(ERR_LIB_USER, ERR_R_INTERNAL_ERROR,
"writing HTTP/3 data to network failed");
return 0;
}
} else {
/*
* Tell nghttp3 it can resume generating more data in case we
* previously called block_stream.
*/
nghttp3_conn_unblock_stream(conn->h3conn, stream_id);
}
total_written += written;
if (written > 0) {
/*
* Tell nghttp3 we have consumed the data it output when we
* called writev_stream, otherwise subsequent calls to
* writev_stream will output the same data.
*/
ec = nghttp3_conn_add_write_offset(conn->h3conn, stream_id, written);
if (ec < 0)
return 0;
/*
* Tell nghttp3 it can free the buffered data because we will
* not need it again. In our case we can always do this right
* away because we copy the data into our QUIC send buffers
* rather than simply storing a reference to it.
*/
ec = nghttp3_conn_add_ack_offset(conn->h3conn, stream_id, written);
if (ec < 0)
return 0;
}
}
if (fin && total_written == total_len) {
/*
* We have written all the data so mark the stream as concluded
* (FIN).
*/
SSL_stream_conclude(s->s, 0);
if (total_len == 0) {
/*
* As a special case, if nghttp3 requested to write a
* zero-length stream with a FIN, we have to tell it we did this
* by calling add_write_offset(0).
*/
ec = nghttp3_conn_add_write_offset(conn->h3conn, stream_id, 0);
if (ec < 0)
return 0;
}
}
}
/* 3. Pump incoming data from QUIC to HTTP/3 engine. */
conn->pump_res = 1; /* cleared in below call if an error occurs */
lh_OSSL_DEMO_H3_STREAM_doall_arg(conn->streams, h3_conn_pump_stream, conn);
if (!conn->pump_res)
return 0;
return 1;
}
int OSSL_DEMO_H3_CONN_submit_request(OSSL_DEMO_H3_CONN *conn,
const nghttp3_nv *nva, size_t nvlen,
const nghttp3_data_reader *dr,
void *user_data)
{
int ec;
OSSL_DEMO_H3_STREAM *s_req = NULL;
if (conn == NULL) {
ERR_raise_data(ERR_LIB_USER, ERR_R_PASSED_NULL_PARAMETER,
"connection must be specified");
return 0;
}
/* Each HTTP/3 request is represented by a stream. */
if ((s_req = h3_conn_create_stream(conn, OSSL_DEMO_H3_STREAM_TYPE_REQ)) == NULL)
goto err;
s_req->user_data = user_data;
ec = nghttp3_conn_submit_request(conn->h3conn, s_req->id, nva, nvlen,
dr, s_req);
if (ec < 0) {
ERR_raise_data(ERR_LIB_USER, ERR_R_INTERNAL_ERROR,
"cannot submit HTTP/3 request: %s (%d)",
nghttp3_strerror(ec), ec);
goto err;
}
return 1;
err:
h3_conn_remove_stream(conn, s_req);
return 0;
}
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